Planning a trip to the United States and want reliable data without hunting for a SIM at the airport or paying roaming fees? An eSIM is the fastest, simplest way to get connected as soon as you land. This guide explains the best eSIM options for USA travel, how to choose the right plan, network coverage realities (city vs national parks), and exactly how to set it up on iPhone and Android. Whether you’re in New York for a long weekend, driving the Pacific Coast Highway, or working remotely across time zones, you’ll find practical advice for smooth connectivity. We’ll also cover whether you need a US number, how much data you really need, and what to do if things don’t connect first time. If you’re comparing plans now, jump straight to our USA range on Esim United States, or browse every country on Destinations.

Why use an eSIM for USA travel?

• Instant setup over Wi‑Fi—no physical SIM swap.
• Keep your home number active for calls/2FA via dual SIM.
• Avoid unpredictable roaming charges; pay a clear, local data rate.
• Flexible: 7/15/30‑day options, top‑ups, and multi‑country packs.
• Works on modern iPhones, Google Pixel, and many Samsung models.

Pro tip: Install your eSIM profile before you fly (on Wi‑Fi), then activate data on arrival so your plan window starts when you actually need it.

Quick picks: best eSIM options for USA trips

Use these scenarios to narrow your choice. Then compare plans on Esim United States.

Best for short city breaks (3–7 days)

• Choose a 3–5 GB or 10 GB plan with 5G access.
• Prioritise strong urban coverage (T‑Mobile and AT&T are typically excellent in cities).
• Check if hotspot/tethering is included for sharing data to a laptop.

Best for road trips and national parks

• Pick a plan that supports both AT&T and T‑Mobile where possible, or one known for broad nationwide coverage.
• Expect patchy service in remote areas (e.g., parts of Yosemite, Yellowstone, deserts). Download offline maps ahead of time.
• A 15–30 GB plan is sensible for navigation, music, and occasional video.

Best for heavy data users and hotspot

• Look for “unlimited” plans with clear Fair Use Policies (FUP). Many cap high‑speed data per day (e.g., 2–5 GB) before throttling.
• If you hotspot regularly, confirm hotspot allowance; not all “unlimited” plans allow tethering at full speed.

Best if you need a US number

• Most travel eSIMs are data‑only. If you need a local number (for reservations, ride‑hailing verification), choose a plan that explicitly includes voice/SMS.
• Alternatively, use your home number over Wi‑Fi Calling, or use apps like WhatsApp/Telegram for messaging.

Best for multi‑country trips

• For Canada+USA+Mexico, consider a regional option on Esim North America.
• Continuing to Europe after the USA? A regional pack on Esim Western Europe simplifies cross‑border travel. You can also pick specific countries like Esim France, Esim Italy, or Esim Spain if your route is fixed.

Coverage and performance in the US: what to expect

• Networks: The “Big 3” are AT&T, T‑Mobile, and Verizon. Most travel eSIMs use AT&T and/or T‑Mobile. Some plans can switch networks automatically based on signal.
• Cities and suburbs: 5G is widespread, with excellent performance from AT&T and T‑Mobile.
• Rural and national parks: Coverage varies. Verizon is often strongest in remote zones, but many travel eSIMs won’t use Verizon. Don’t rely on continuous data during long stretches in the mountains or deserts.
• Speed management: Many eSIM plans are subject to “deprioritisation” at busy times, meaning locals may get priority in congested cells. This is normal and short‑lived.
• Hotspot: Allowed on many plans, sometimes with limits. Check the plan’s hotspot policy before purchase.

Pro tip: If your eSIM supports manual network selection, try switching between AT&T and T‑Mobile in rural areas to find a workable signal.

How to set up your USA eSIM (step‑by‑step)

You’ll receive either a QR code or a manual activation code after purchase. Install on Wi‑Fi.

Before you fly (checklist)

• Confirm your phone supports eSIM and is carrier‑unlocked.
• Buy your plan and keep the QR/manual code handy.
• Install the eSIM profile on Wi‑Fi, but do not enable mobile data until landing if your plan starts on first connection.
• Download offline maps for your route/parks.
• Turn on Wi‑Fi Calling on your primary line if you plan to use your home number over data.

iPhone (iOS 17/18)

1. Settings > Mobile Service (or Cellular) > Add eSIM.
2. Scan the QR code or choose “Use Activation Code” and paste the code.
3. Label it “USA eSIM”.
4. Set Default Line: keep your primary for calls/SMS if you like; set USA eSIM as “Mobile Data”.
5. Under Mobile Data, toggle “Allow Mobile Data Switching” off if you want to force data via the USA eSIM only.
6. On landing, enable the USA eSIM line and Mobile Data. Ensure Data Roaming is on for the eSIM line.

Android (Pixel/Samsung)

1. Settings > Network & Internet > SIMs (names vary).
2. Add eSIM > Scan QR or “Enter code manually”.
3. Name it “USA eSIM”.
4. Set “Mobile data” to USA eSIM; keep your primary SIM for calls if needed.
5. Enable Data Roaming for the eSIM line on arrival.

On arrival: connect cleanly

• Turn off data roaming on your home SIM to avoid accidental roaming.
• Turn on only the USA eSIM for data.
• If no data, toggle Airplane mode for 10 seconds, then back on. Try a manual network scan.

Troubleshooting quick fixes

• APN: Some plans require a custom APN. Check your plan instructions and add the APN under Mobile Network settings.
• 5G not available: Switch to 4G/LTE; some areas are LTE‑only or 5G is restricted on roaming profiles.
• No service: Manually select AT&T or T‑Mobile. Reboot if needed.
• Still stuck: Reinstall the eSIM profile only if advised by support. Contact support via chat/email (note time zones).

How much data do you need?

• Light user (messaging, maps, email): 3–5 GB/week.
• Typical city tourist (socials, ride‑hailing, light video): 5–10 GB/week.
• Road‑tripper (navigation, streaming music, photos backup): 10–20 GB for 2 weeks.
• Remote worker (video calls, hotspot): 20–40 GB/month or an unlimited plan with clear FUP.

Pro tip: Autoplay on socials and cloud photo backups burn data. Disable video autoplay and set photos to “Wi‑Fi only” backup to stretch your allowance.

Cost and plan features to compare

When comparing eSIM USA travel plans, look beyond data size.

• Validity and start rules: Does the plan start on first connection or date of purchase?
• Network access: AT&T, T‑Mobile, or both; 5G access included?
• Fair Use Policy: Daily high‑speed caps on “unlimited”; throttled speeds after cap?
• Hotspot/tethering: Allowed, and at what speeds?
• Top‑ups: Can you add more data without reinstalling a new eSIM?
• Support hours: Live chat/email availability in your travel time zone.
• Refund policy: Refund if you haven’t activated and there’s a compatibility issue.
• Number: Data‑only vs plans including a US number (voice/SMS).
• Device limits: Some plans restrict installation to one device; eSIMs can’t be “moved” once installed.

Compare current options on Esim United States, or explore regional bundles on Esim North America.

Planning multi‑stop trips?

If you’re visiting multiple countries, regional eSIMs reduce admin and avoid mid‑trip SIM swaps.

• North America loop (USA, Canada, Mexico): choose Esim North America.
• Transatlantic holiday: pair your US plan with Esim Western Europe for onward travel.
• City‑hopping in Europe: individual country packs like Esim France, Esim Italy, and Esim Spain often deliver higher data per country at sharper pricing.

Browse every country and region on Destinations.

Business and group travellers

• Business teams: Centralise spend and manage multiple lines with pooled data and consolidated billing. See For Business.
• Tour leaders and creators: If you’re provisioning connectivity for clients or audiences, explore revenue‑share and co‑branding via our Partner Hub.

At a glance: USA eSIM options (product snapshot)

What we like - Fast, self‑serve activation and immediate connectivity on landing. - Competitive 5G data packs with clear validity. - Options for both city breaks and long road trips; some plans support multi‑network access.

Considerations - Data‑only plans won’t give you a US phone number; pick a voice‑enabled plan if needed. - Rural coverage is inherently variable; download offline maps and expect dead zones in parks. - “Unlimited” usually has a daily high‑speed cap—check each plan’s FUP.

Compare and buy on Esim United States.

FAQs

1) Will my phone work with a USA eSIM? - iPhone XR/XS and newer support eSIM; US iPhone 14/15 models are eSIM‑only. Most Google Pixel 4+ and Samsung Galaxy S20/S21/S22/S23/S24 variants support eSIM. Your device must be carrier‑unlocked. Check your exact model’s eSIM support before purchase.

2) Do I get a US phone number with an eSIM? - Many travel eSIMs are data‑only, so no local number. If you need one, choose a plan that explicitly includes voice/SMS, or use your home number via Wi‑Fi Calling. Apps such as WhatsApp/iMessage work over data without a US number.

3) When should I activate my plan? - Install the eSIM profile on Wi‑Fi before you fly. If your plan starts on first network connection, enable mobile data only once you land in the USA.

4) Will it work in national parks and rural areas? - Coverage can be limited. AT&T and T‑Mobile are strong across most highways and towns, but expect dead zones in mountains, canyons, and deserts. Download offline maps and don’t rely on constant connectivity.

5) Can I keep my WhatsApp and iMessage? - Yes. These apps tie to your existing number/account and will continue working over the eSIM’s data. Keep your primary SIM active (with data roaming off) to receive calls/SMS if needed.

6) Is tethering allowed? - Often yes, but it’s plan‑specific. Some “unlimited” offers limit hotspot speeds or daily high‑speed amounts. Check the plan details before purchase.

The bottom line

For most travellers, an eSIM is the most convenient and cost‑effective way to stay connected in the USA. Choose your plan based on trip length, expected data use, and where you’ll be—cities vs road‑tripping through parks. Install before you fly, activate on landing, and keep your home number for calls and 2FA via dual SIM.

Next step: Compare plans and get connected in minutes on Esim United States.

Travellers love eSIM for instant setup, no queues and easy switching. But many still ask a simple question: is eSIM safe? In short: yes—when you buy from a reputable provider and follow a few basic security steps, eSIM is as safe as (and often safer than) a traditional plastic SIM. It uses GSMA-standard, carrier-grade security, with profiles delivered over encrypted channels and protected by your phone’s hardware.

That said, no connectivity method is magically immune to risk. The biggest day‑to‑day threats to travellers are not eSIM itself but account takeover, dodgy QR codes, and—by far the most common—unsafe public Wi‑Fi. This guide cuts through the noise, explains how eSIM security really works, and gives you practical checklists to stay protected on the road. If you’re planning multi‑country travel, explore our regional options like Esim Western Europe or Esim North America, or browse all Destinations.

eSIM security, in plain English

An eSIM is a secure chip inside your phone that stores your mobile plan as a digital profile. Instead of inserting a plastic SIM, you download a profile from a secure server (known as an SM-DP+). Your phone and the server verify each other using certificates, then exchange encrypted data to install the profile.

Key points that matter for safety: - No physical card to steal, lose, or swap. - Profiles are bound to your device’s secure hardware. - Provisioning uses mutual authentication and encryption based on GSMA standards used by mobile operators worldwide. - You control activation, deactivation, and deletion on your device settings.

Is eSIM safe? The short answer

Yes. eSIMs use operator‑grade security and reduce several risks associated with plastic SIMs.

Why eSIM can be safer than a physical SIM: - Harder to steal or swap: There’s no tiny card to remove. Many eSIM transfers require device unlock and/or account verification. - Encrypted delivery: Profiles are provisioned over secure channels; the QR code is just a pointer, not the profile itself. - Faster control if lost: You can remotely erase your phone (which removes eSIM profiles) and suspend service via your carrier promptly.

Where the real risks are: - Social engineering (SIM swap via your carrier account, not via “hacking” the eSIM itself). - Malicious QR codes or fake eSIM vendors. - Insecure public Wi‑Fi, which remains a far bigger everyday threat than mobile data.

Common myths, debunked

“eSIMs are easy to hack”

Reality: There’s no public evidence of widespread eSIM profile “hacking” on modern devices. Attacks we hear about are usually account takeovers (convincing a carrier to port your number) or device theft. Keep your carrier/Apple/Google accounts locked down with strong, unique passwords and multi‑factor authentication (MFA).

“Scanning a QR code is unsafe”

The QR code typically contains the address of the secure server (SM-DP+) and an activation code. The sensitive bits still travel through an encrypted, authenticated session between your phone and the operator. The risk isn’t the QR format—it’s scanning codes from untrusted sources. Only use codes from your provider’s website/app or official email.

“eSIM can be cloned”

Cloning traditional SIMs required physical access and exploits. eSIM profiles are bound to device hardware and provisioned with mutual authentication, making cloning impractical for opportunistic attackers. Your bigger risk is someone taking over your carrier account, not copying your eSIM.

“eSIM drains battery or tracks me more”

No. eSIM is simply the way your device stores carrier credentials. Network behaviour, not eSIM itself, affects battery and privacy. As with any mobile plan, your operator sees the usual network metadata.

“Public Wi‑Fi is fine if there’s a password”

A café password does not equal end‑to‑end security. Open or shared‑password Wi‑Fi can be spoofed (“evil twin”), intercepted, or used to inject malicious captive portals. Mobile data via eSIM avoids most of these pitfalls.

The real risks (and how to lower them)

• Account takeover (SIM swap)
• Risk: An attacker convinces your carrier to move your number to their device.
• Reduce it:
  • Add a carrier account PIN and enable MFA.
  • Use unique passwords stored in a password manager.
  • Be wary of phishing that targets your email, Apple ID, Google account, or banking.
• Fake eSIM sellers and malicious profiles
• Risk: Phishing sites selling bogus “eSIMs,” or QR codes that lead you to install unknown profiles.
• Reduce it:
  • Buy from reputable providers and official marketplaces.
  • Confirm the web domain and payment gateway before purchase.
  • Avoid Telegram/WhatsApp “resellers” without verifiable credentials.
• QR code interception or tampering
• Risk: Using public PCs or shared screens to display codes; others scan your code.
• Reduce it:
  • Access codes privately on your own device.
  • Never share activation codes or order emails.
• Lost or stolen phone
• Risk: Thieves may use your data/number if the phone remains unlocked.
• Reduce it:
  • Set a strong device passcode and enable biometric unlock.
  • Turn on Find My (iOS) / Find My Device (Android).
  • Remote‑lock/erase immediately; contact your carrier to suspend service.
• Public Wi‑Fi risks
• Risk: Data interception, malicious hotspots, credential theft.
• Reduce it:
  • Prefer mobile data via eSIM for banking, booking, and email.
  • If Wi‑Fi is unavoidable, use a trusted VPN and disable auto‑join for open networks.

Pro tip: When you arrive, enable “Allow Mobile Data Switching” (iOS) or equivalent dual‑SIM settings carefully, so your primary line isn’t used for roaming by mistake.

A traveller’s security checklist

Before you fly

1. Buy your eSIM from a trusted provider. Explore country packs like Esim United States, Esim France, Esim Italy or Esim Spain, or regional bundles such as Esim Western Europe and Esim North America. You can compare all options under Destinations.
2. Secure your accounts: - Set a carrier account PIN and enable MFA. - Turn on MFA for email, Apple ID/Google, and banking.
3. Update your phone to the latest OS.
4. Set a strong device passcode; enable biometrics.
5. Prepare backups (iCloud/Google) and enable Find My/Find My Device.

When installing your eSIM

• Use a trusted network (mobile data or your home Wi‑Fi).
• Scan the QR code from your provider only; avoid screenshots in group chats.
• Confirm the Data Roaming toggle for the correct line to avoid bill shock.
• Keep your primary number as “Calls & SMS” only (if you need it) and route data through your travel eSIM.

On the road

• Prefer eSIM mobile data over public Wi‑Fi for sensitive tasks.
• If you must use Wi‑Fi:
• Verify the network name with staff; beware of lookalikes.
• Use a VPN; avoid logging into critical accounts on captive portals.
• Turn off auto‑join for open networks.
• Monitor usage and plan validity in your device settings.
• If your phone is lost/stolen: remote‑lock and erase, then contact your provider to suspend the line.

When you head home

• Delete unused travel eSIM profiles in Settings.
• Review your accounts and change any passwords used on shared networks.
• Keep your provider receipts and emails for future trips.

Pro tip: Dual‑SIM setups are ideal. Keep your home number for calls/SMS (data off), and run data on your local eSIM for cheaper, safer connectivity.

eSIM vs public Wi‑Fi: which is safer?

For day‑to‑day travel, mobile data via eSIM is generally safer than public Wi‑Fi: - Air interface encryption: 4G/5G encrypt traffic between your phone and the tower. While telecom‑grade threats exist, opportunistic interception on mobile networks is far less common than Wi‑Fi sniffing. - Fewer “evil twin” attacks: It’s trivial to mimic “Free Airport Wi‑Fi”; it’s not trivial to mimic a mobile network your phone will trust. - Less captive portal risk: Wi‑Fi portals can inject scripts or trick you into entering credentials. Mobile data doesn’t have this layer.

When to consider Wi‑Fi: - Large downloads or video calls where you trust the network (e.g., hotel room with unique password, enterprise WPA2‑Enterprise). Even then, a VPN adds protection.

Bottom line: For most travellers wondering “is eSIM safe?”, the bigger question is “is this Wi‑Fi safe?”. If in doubt, stick to eSIM data.

For business travellers and teams

Mobile security is a team sport: - Standardise on eSIM data for travel devices to reduce Wi‑Fi risk. - Use MDM/EMM to enforce passcodes, remote‑wipe and VPN. - Require MFA on all corporate accounts and set carrier account PINs for employees. - Centralise purchasing for predictable costs and vetted vendors. See Simology For Business. - Agencies, TMCs, and resellers can streamline secure eSIM distribution via our Partner Hub.

Where to buy securely

Choose reputable providers with transparent plans, clear activation steps and responsive support: - Country eSIMs: Esim United States, Esim France, Esim Italy, Esim Spain. - Regional bundles: Esim Western Europe, Esim North America. - Explore all Destinations to match your route and budget.

Pro tip: Install the eSIM before you fly so you’re online the moment you land—no airport Wi‑Fi needed.

FAQ

Q: Is eSIM safer than a physical SIM? A: In many ways, yes. There’s no card to steal, profiles are tied to device hardware, and provisioning uses encrypted, authenticated channels. The major risk remains account takeover, not the eSIM tech itself.

Q: Can someone hack my eSIM by scanning my QR code? A: Not if you keep it private. The QR code points your phone to a secure server; the actual profile is delivered over an encrypted, mutually authenticated session. Treat the code like a password—don’t share or display it publicly.

Q: What if my phone is lost or stolen while travelling? A: Immediately use Find My/Find My Device to lock and erase the phone, which removes the eSIM profile. Then contact your provider to suspend or transfer the line. A strong device passcode and biometrics limit misuse.

Q: Is public Wi‑Fi safe if I use HTTPS? A: HTTPS helps, but Wi‑Fi still carries risks: malicious hotspots, DNS tampering, captive portal tricks, and misconfigured apps. For sensitive tasks, mobile data via eSIM is typically safer. If Wi‑Fi is unavoidable, use a trusted VPN.

Q: Can I use eSIM and a physical SIM at the same time? A: Yes. Most modern phones support dual‑SIM (one physical + one eSIM, or dual eSIM). You can set calls/SMS on one line and data on the other—ideal for keeping your home number active while using a local data plan.

Q: Does eSIM affect battery life or privacy? A: Not inherently. eSIM is just how your plan is stored. Battery life depends on network conditions and usage; privacy is governed by your device settings and operator policies, similar to a physical SIM.

Next step: Plan your trip with the right regional or country eSIM—start with our full list of Destinations.

Travelling with an eSIM should be simple, but picking the right data size can be confusing. Buy too little and you’re hunting for top-ups mid-trip; buy too much and you pay for gigabytes you never use. This guide gives you a practical, traveller-first way to answer the question: how much data do I need? Use our light/standard/heavy presets for 7, 14 and 30 days, or build your own estimate in three minutes. We also share real-world scenarios, data-saving tips, and regional plan pointers.

Prefer a handy worksheet? Download our 7/14/30-day eSIM calculator sheet (CSV/printable) from any country page—start at Destinations. If you’re heading to Europe or North America, we’ve linked regional plans to make selection easy. Whether you’re a minimalist traveller who messages and maps, or you hotspot your laptop and stream in HD, you’ll find a clear, conservative number that prevents bill shock and keeps you connected.

How much data do I need? The quick answer (presets)

Pick the profile that best matches your habits. These ranges include a 10–20% buffer for maps, translation, ride-hailing and background usage.

• 7 days
• Light: 3–5 GB (messages, maps, light socials, a few photos)
• Standard: 7–10 GB (daily socials with occasional video, a few video calls)
• Heavy: 15–25 GB (regular video, hotspot for laptop)
• 14 days
• Light: 6–10 GB
• Standard: 12–20 GB
• Heavy: 30–40 GB
• 30 days
• Light: 10–15 GB
• Standard: 20–30 GB
• Heavy: 50–80 GB

Daily budget at a glance: - Light: ~0.3–0.5 GB/day - Standard: ~0.8–1.0 GB/day - Heavy: 2–3+ GB/day

If you stream HD video, upload lots of media, or tether a laptop, use the “Heavy” band. If you mainly message over Wi‑Fi at your hotel and occasionally use maps on the go, “Light” fits most trips.

Build your own estimate (3-minute calculator)

1) Choose your travel profile - Light: Messaging, maps, light browsing, minimal video - Standard: Daily socials with some video, a few short video calls, occasional streaming - Heavy: Frequent video/streaming, regular video calls, hotspot/tethering

2) Add your daily activities Use these conservative averages: - Messaging (WhatsApp/iMessage/Telegram): 5–20 MB/hour (text and stickers) - Photo sharing: 2–5 MB per photo; 100 photos ~200–500 MB - Web browsing/news: 60–150 MB/hour - Social feed scrolling: 150–300 MB/hour (mixed image/video) - Short-form video (Reels/TikTok): 0.8–2 GB/hour (varies by quality) - YouTube/streaming: - 480p: 300–500 MB/hour - 720p: 0.7–1 GB/hour - 1080p: 1.5–3 GB/hour - Music streaming: 40–150 MB/hour - Video calls (WhatsApp/FaceTime/Meet): 300–600 MB/hour (more for HD) - Maps/ride-hailing/translation: 50–150 MB/day (if not offline) - Email (with occasional attachments): 20–100 MB/day - Hotspot for laptop: highly variable; light work 200–500 MB/hour, heavy browsing/calls 1–2 GB/hour

3) Multiply by trip length and add a buffer - Sum your typical day, multiply by days abroad, then add 20% for navigation spikes, uploads and updates.

4) Pick your plan size - Choose the next plan size above your estimate. Ensure the plan supports top-ups or add-ons if you run low.

5) Optional: get the sheet - Download the calculator sheet from any country plan page under Tools—start at Destinations.

Pro tip: If your usage varies (city days vs. beach days), average your “busy” and “quiet” days to avoid overbuying.

Real-world scenarios (what actually works)

• 4-day city break (Light)
• Usage: maps/ride-hailing, messaging, 1 hour/day social, minimal video
• Estimate: ~350 MB/day × 4 = 1.4 GB, +20% = ~1.7 GB
• Pick: 3–5 GB to be safe. Country plans such as Esim France, Esim Italy or Esim Spain often start at 3–5 GB.
• 10-day mixed sightseeing (Standard)
• Usage: 1–2 hours/day social (some video), a couple of 20-min video calls, maps daily
• Estimate: ~900 MB/day × 10 = 9 GB, +20% = ~11 GB
• Pick: 12–15 GB. For multi-country, see Esim Western Europe.
• 14-day work-and-wander (Heavy)
• Usage: 1 hour/day HD video calls, hotspot for email/docs, light streaming
• Estimate: ~1.8 GB/day × 14 = 25 GB, +20% = ~30 GB
• Pick: 30–40 GB. If you’ll enter the US or Canada, check Esim North America.
• 30-day US road trip (mix of Standard/Heavy)
• Usage: daily navigation, frequent social uploads, 3–4 hours/week streaming, occasional hotspot
• Estimate: ~1.2 GB/day × 30 = 36 GB, +20% = ~43 GB
• Pick: 50 GB+ to avoid mid-trip top-ups. See Esim United States.

Make any data plan go further (pro tips)

• Download offline maps for regions you’ll drive/walk in.
• Set streaming to 480p/Auto on mobile; save HD for Wi‑Fi.
• Turn off auto-backup of photos/videos on mobile data; allow on Wi‑Fi only.
• Disable automatic app updates on mobile data.
• Use “Data Saver/Low Data Mode” on iOS/Android and in social apps.
• Cache playlists/podcasts on Wi‑Fi.
• Set a daily data warning (e.g., 500 MB, 1 GB) in system settings.
• Prefer Wi‑Fi in accommodation and cafés for uploads, cloud sync and big downloads.
• If you hotspot, update your laptop to “metered connection” to stop background syncs.

Region and plan pointers

• Europe in one trip: Esim Western Europe covers popular countries without swapping plans.
• Single-country Europe: Start with Esim France, Esim Italy or Esim Spain for focused trips.
• USA only: Get a domestic bundle via Esim United States for best local performance.
• Multi-country US/Canada/Mexico: Choose Esim North America to avoid SIM juggling.
• Team travel or remote workforces: Centralise budgets and usage with For Business.
• Travel creators, agents or resellers: Access tools, assets and co-branded links via the Partner Hub.

Checklist before you fly

• Install your eSIM while you still have reliable Wi‑Fi.
• Set “Low Data Mode/Data Saver” and disable background app refresh on mobile data.
• Pre-download:
• Offline maps for cities/regions
• Translation packs
• Playlists and shows for transit
• In social apps, set “Data saver” and restrict auto-play to Wi‑Fi.
• Turn off mobile data for cloud photos/backups.
• Set a daily data warning and roaming data cap (Android) or mobile data limit (third-party app on iOS).

FAQ: how much data do I need on holiday?

• How much data does Google Maps use on a trip?
• Typical navigation with occasional searches is 50–150 MB/day if you don’t download offline maps. Offline areas reduce this to near-zero aside from search and traffic updates.
• Is “unlimited” data worth it while travelling?
• Often not. Many “unlimited” plans have fair-use thresholds and speed caps. A well-sized 20–40 GB plan is enough for most 2–3 week trips, with better speeds and price per GB. Go unlimited only if you stream a lot or tether daily.
• Do WhatsApp and iMessage use much data?
• Texts and stickers are tiny (a few MB/hour). Voice calls use ~0.5 MB/min; video calls 5–10 MB/min. Daily messaging plus a short video call can still fit in 300–500 MB/day.
• Should I buy one regional plan or separate country plans?
• If you’ll cross borders, regional plans like Esim Western Europe or Esim North America are simpler and often cheaper than juggling multiple country eSIMs. Single-country trips may be best served by local plans such as Esim France, Esim Italy or Esim Spain.
• Can I use my eSIM for hotspot/tethering?
• Usually yes, but it can burn data quickly. A light work hour via hotspot can use 200–500 MB; HD video calls or updates can push 1–2 GB/hour. Check plan details for any tethering restrictions.
• What happens if I run out of data mid-trip?
• Most plans allow top-ups or add-ons. Set a daily warning, and if you’re trending over budget, lower streaming quality and delay large uploads to Wi‑Fi before you buy extra data.

Next step

Start with your destination, pick your trip length, and choose a plan that matches your profile. Explore plans now at Destinations.

Choosing between a local eSIM and a global (or regional) eSIM comes down to where you’re going, how long you’ll stay, and how much data you actually use. Both options let you skip the queue for plastic SIMs and go online in minutes, but they’re built for different trips. Local eSIMs focus on one country with sharp rates and strong local network access. Global and regional eSIMs cover multiple countries on a single plan—ideal for border-hopping without swapping lines. In this guide, we break down the differences, show realistic travel scenarios, and include a simple cost calculator so you can pick the right fit with confidence. We’ll also map typical trips to Simology plans—whether you need a single-country eSIM like Esim United States or a multi-nation pass such as Esim Western Europe. If you’re planning a complex route, start by checking coverage on Destinations.

Quick definitions: local vs global (and regional) eSIM

• Local eSIM: Covers one country. Usually the best value per GB and best speeds for that country. Great for single-country trips.
• Regional eSIM: Covers multiple countries within a region (e.g., Western Europe, North America). Good balance of simplicity and cost for multi-country itineraries within a region.
• Global eSIM: Covers many countries across regions. Most convenient for long, multi-continent trips, but typically costs more per GB than local/regional options.

Pro tip: When your route is confined to one region, a regional eSIM typically beats a global eSIM on cost and performance.

When a local eSIM is best

Choose a local eSIM when: - You’ll stay in a single country (city break to multi-week stay). - You want the lowest cost per GB. - You can plan a quick top-up if you run low. - You care about the highest possible speeds and network priority locally.

Good fits: - One-country holiday: Paris long weekend with Esim France. - Workation: One month in Rome with Esim Italy. - US road trip with Esim United States. - Spanish island hopping with Esim Spain.

Pros: - Usually cheaper per GB than regional/global. - Often accesses more local networks or better fair-use policies. - Simple to top up and extend within the same country.

Cons: - Coverage stops at the border. You’ll need an additional eSIM for each new country.

When a regional or global eSIM is best

Choose a regional/global eSIM when: - You’ll cross borders frequently. - You want one plan that keeps working as you move. - You prefer simplicity over squeezing the absolute lowest cost per GB.

Regional examples: - Western Europe rail trip with Esim Western Europe. - USA–Canada–Mexico itinerary with Esim North America.

Global example: - Round-the-world or multi-region trip across Europe, Asia, and North America.

Pros: - No SIM swapping at borders; one plan for many countries. - Predictable experience across your itinerary.

Cons: - Typically higher cost per GB than local eSIMs. - May have stricter fair-use rules or partner network limitations in some countries.

Pro tip: If your route is “Paris–Barcelona–Rome”, a Western Europe regional plan is usually cheaper and faster than a global plan. Save “global” for when you genuinely need cross-region coverage.

Cost calculator: local vs global eSIM

Use the examples below to estimate your total trip cost. Prices vary by provider, data size, and season; treat these as realistic ballpark figures.

Trip scenario

Days

Countries

Est. data need

Best fit

Example spend with local eSIM(s)

Example spend with regional/global eSIM

City break in Paris

4

1 (France)

3–5 GB

Local eSIM

US$6–12 total

US$15–25 total

Two-week Italy holiday

14

1 (Italy)

10–20 GB

Local eSIM

US$15–35 total

US$30–60 total

Two-week Western Europe rail trip (France–Spain–Italy)

14

3

12–20 GB

Regional eSIM

US$30–60 (3 locals)

US$25–50 (1 regional)

1 month North America (USA/Canada/Mexico)

30

2–3

20–40 GB

Regional eSIM

US$50–100 (2–3 locals)

US$40–90 (1 regional)

2 months multi-region (Europe + Asia + USA)

60

5–8

30–60 GB

Global or mix

US$90–180 (locals/regionals mix)

US$120–220 (1–2 globals)

How to use this table: 1) Estimate your data need (see checklist below). 2) Count countries and border crossings. 3) Compare the “local stack” vs “regional/global” totals and choose the best balance of cost and convenience.

Performance and reliability: what actually changes?

• Network access and priority: Local eSIMs often have broader access to in-country networks and can deliver steadier speeds. Regional/global plans rely on roaming agreements; speeds may vary by country.
• 5G vs 4G/LTE: Many destinations now include 5G on local plans; regional/global eSIMs may fall back to 4G in some places. If low latency or tethering performance matters, check the plan details.
• Fair use policies: Global/regional plans sometimes include country-specific fair-use limits. If you stream or hotspot heavily, watch the small print.
• VoLTE and Wi‑Fi calling: Data-only eSIMs generally don’t include voice/SMS. Use apps (WhatsApp, iMessage, FaceTime, Teams). If you need calling minutes, check add-ons or use your primary line over Wi‑Fi.

Pro tips: - Download your eSIM and QR before you fly; install over reliable Wi‑Fi. - On iPhone: set your travel eSIM as the Data line; leave your home SIM for calls/SMS if needed. Disable Data Roaming on your home SIM to avoid bill shock. - Allow personal hotspot only if your plan supports it; tethering policies vary.

Checklist: choose the right eSIM in three steps

1) Map your route and borders - List the countries and dates. - Note any same-day border hops (e.g., Schengen rail). - If you stay within one region, prioritise a regional eSIM.

2) Estimate realistic data needs - Light use (maps, messaging, email): 0.3–0.6 GB/day. - Moderate (social uploads, browsing, ride-hailing): 0.7–1.2 GB/day. - Heavy (hotspot, video calls/streaming): 1.5–3+ GB/day. - Add 20% buffer for navigation, updates, and surprises.

3) Decide cost vs convenience - One country, static stay: local eSIM likely wins on cost. - Multi-country in one region: regional plan often wins on simplicity and overall spend. - Multi-region or complex: consider one global eSIM or a mix (regional + local top-ups where heavy use is expected).

Simology plan mapping: match your itinerary

• Single-country trips
• USA: Esim United States
• France: Esim France
• Italy: Esim Italy
• Spain: Esim Spain
• Check more countries on Destinations
• Multi-country within one region
• Western Europe rail or road trips: Esim Western Europe
• USA–Canada–Mexico or cross-border North America: Esim North America
• Multi-region or round-the-world
• Start with a regional eSIM for your first leg (e.g., Western Europe), then switch to the next region. Add local eSIMs in “heavy-use” countries to reduce per‑GB cost.
• Use Destinations to confirm covered networks and available data bundles for each stop.

Pro tip: For a month split across Paris–Barcelona–Rome, a Western Europe regional plan is typically cheaper and cleaner than three separate locals—unless you’re a very heavy user in one country, in which case adding a local top-up there can reduce total cost.

Practical setup tips

• Install timing: Install the eSIM profile at home over Wi‑Fi. Activate data only when you land (or when your plan’s start rules say).
• APN and data settings: Follow the plan’s APN instructions. If data doesn’t start, toggle Airplane Mode or restart.
• Dual-SIM hygiene: Name lines clearly (“Home” and “Travel”). Keep “Allow Cellular Data Switching” off if you don’t want your phone to sneak back to your home SIM.
• Top-ups: It’s often cheaper to buy an extra local bundle than overpay for a big global plan you won’t fully use.

Business, teams and organisers

• Business travellers and teams: Centralise spend, share credits across travellers, and standardise coverage by region. Explore options on For Business.
• Travel organisers and partners: If you manage groups, tours, or events, a regional or global setup reduces border friction. See integration and fulfilment options via our Partner Hub.

FAQs

• What’s the difference between a local eSIM and a global eSIM? A local eSIM covers one country and usually offers the lowest cost per GB and strong local network performance. A global eSIM works in many countries on one plan, trading higher convenience for a typically higher price per GB. Regional eSIMs sit in the middle and are ideal for multi-country trips within one area.
• Do I need a new eSIM for every country? Not if you choose a regional or global plan that includes those countries. For single-country stays, a local eSIM is usually best. For multi-country trips within one region (e.g., Western Europe), a regional plan is simpler and often cheaper than stacking multiple locals.
• Will my WhatsApp and iMessage still work? Yes. On data-only eSIMs, messaging apps continue to use your existing accounts. Your WhatsApp number remains your primary number (usually your home SIM), as it’s tied to your account, not the data plan.
• Can I keep my home number active for calls/SMS? Yes. Keep your home SIM active for calls/SMS, but turn off Data Roaming on the home SIM to avoid charges. Set the eSIM as your data line.
• Can I hotspot with an eSIM? In most cases, yes, but it depends on the specific plan and network policies. Check your plan details before relying on tethering for laptops or other devices.
• Will a global eSIM switch networks automatically when I cross a border? Yes. Global and regional plans typically register on a partner network in each covered country automatically. It can take a few minutes after you land or cross. If it stalls, toggle Airplane Mode or manually select a network.

Next step: Check your route and see what’s covered on Destinations, then pick your best-fit plan (local, regional, or global) to lock in cost and convenience before you fly.

When you land and your eSIM won’t connect, it’s rarely a dead end. In most cases it’s a quick setting, a network registration delay, or a simple reinstall. This guide walks you through a traveller-first triage and the 15 most reliable fixes for when an eSIM is not working on iOS or Android. You’ll check line activation, roaming, APN, network selection, and dual-SIM priorities step by step. We’ll also flag what to collect before contacting support and how to avoid issues next time.
If you’re choosing a plan for your trip, start with our regional and country packs (for example Esim United States, Esim France, Esim Italy, Esim Spain or Esim Western Europe and Esim North America). For destination-by-destination coverage and set-up notes, head to Destinations.

Quick triage: is it your eSIM, your device, or the network?

Run this 60‑second checklist to pinpoint the issue: - Airplane Mode off? Mobile Data on? Wi‑Fi off (for testing)? Restart done?
- Is the eSIM line installed, turned on, and set as the Mobile Data line? - Is Data Roaming enabled for the eSIM line? - Does manual network selection show local networks? Can you latch onto any? - Any usage limits hit (data cap/exhausted), plan expired, or activation pending?

Pro tip: Give new eSIMs 2–5 minutes after landing to register. If you installed mid‑flight, reboot after arrival.

The 15 most common fixes (iOS & Android)

Use these in order. After each fix, test by toggling Mobile Data off/on and loading a plain web page.

1) Confirm your phone is eSIM‑compatible and unlocked

• iOS: iPhone XR/XS or newer typically support eSIM.
• Android: Many recent models do; check your device settings.
• Settings path:
• iOS: Settings > Mobile Data > Add eSIM (or “eSIMs”)
• Android: Settings > Network & Internet > SIMs (or Mobile network)
• Ensure the phone is carrier‑unlocked. If it’s locked to a home network, roaming eSIMs may not register.

2) Reboot and toggle radios

• Toggle Airplane Mode on for 10 seconds, then off.
• Restart the device.
• Turn Wi‑Fi off briefly to force a cellular test.

3) Make sure the eSIM is installed and active

• iOS: Settings > Mobile Data
• Check the eSIM is listed and “On”.
• Set Mobile Data: eSIM line
• Android: Settings > Network & Internet > SIMs
• Turn on the eSIM.
• Set Preferred SIM for Mobile data: eSIM
  If you don’t see the eSIM, re‑scan the QR or use the activation code provided by your eSIM vendor.

4) Enable Data Roaming for the eSIM line

Roaming must be enabled for travel eSIMs. - iOS: Settings > Mobile Data > eSIM line > Data Roaming = On
- Android: Settings > Network & Internet > SIMs > eSIM > Roaming = On

5) Check plan status, allowance and validity

• Confirm the plan is activated (some start on installation; others on first network attach).
• Ensure you have remaining data. If you’ve hit the cap, speeds may drop or data may stop.
• If your trip spans borders, confirm your plan covers those countries (e.g., use Esim Western Europe for multi‑country EU travel or Esim North America across USA/Canada/Mexico).

Pro tip: If you installed long before travel, check the expiry window hasn’t elapsed.

6) Set network to 4G/5G Auto (avoid 2G/3G only)

• iOS: Settings > Mobile Data > eSIM line > Voice & Data = 5G Auto or 4G/LTE
• Android: Settings > Network & Internet > SIMs > eSIM > Preferred network type = 5G/4G (Auto)
  Some networks have retired 3G; forcing 3G can block data.

7) Manually select a local network, then revert to Automatic

• iOS: Settings > Mobile Data > Network Selection > turn Automatic off > choose a listed local carrier. After a successful attach, you can return to Automatic.
• Android: Settings > Network & Internet > SIMs > eSIM > Network > choose a carrier, then try switching back to Automatic.

Pro tip: If one network fails, try others in the list. Regional eSIMs often have multiple partners.

8) Check and (if required) set the APN

Most eSIMs push APN automatically, but some require manual entry. - iOS: Settings > Mobile Data > eSIM line > Mobile Data Network
- Android: Settings > Network & Internet > SIMs > eSIM > Access Point Names
If your provider specifies an APN, enter exactly as given (case sensitive). Save and select it.

9) Update carrier settings and OS

• iOS: Settings > General > About. If a “Carrier Settings Update” prompt appears, accept. Also update iOS to the latest version.
• Android: Settings > System > System update. Install pending updates. Some devices also offer a “Carrier Services” or “Operator configuration” update in the Play Store.

10) Turn off VPN, Private Relay and firewall apps (temporarily)

VPNs, DNS filters and Private Relay can interrupt first network registration or captive portals.
- Disable these, reboot, attach to the network, then re‑enable if needed.

11) Reset network settings (safe but clears saved networks)

If the above steps fail: - iOS: Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings
- Android: Settings > System > Reset options > Reset Wi‑Fi, mobile & Bluetooth
You’ll lose saved Wi‑Fi and Bluetooth pairings. Your eSIMs remain, but you may need to re‑select defaults.

12) Prioritise the eSIM if you use two lines

Dual‑SIM phones can get confused about data routing.
- Set the eSIM as the default data line.
- Disable the physical SIM temporarily, or turn off “Allow Mobile Data Switching” (iOS) to keep data on the eSIM.

13) Reinstall or reissue the eSIM (only if allowed)

• Delete the eSIM profile, then add it again using the original QR/code.
• Some QR codes are single‑use. If re‑adding fails, request a reissue from your provider before deleting.
  Always be connected to Wi‑Fi while installing an eSIM.

14) Toggle VoLTE/5G options if calls aren’t needed

Data‑only eSIMs don’t require voice features. If attach fails:
- Try disabling 5G temporarily (set to 4G/LTE).
- Toggle VoLTE off/on (some networks need it one way or the other). Test each change.

15) Give it time, move, or try a different band

New registration can take a few minutes. Buildings and basements block signals.
- Wait 2–5 minutes after changes, then restart.
- Move outdoors or closer to a window.
- If available in your device, try locking to LTE only (then re‑enable Auto) to stabilise initial attach.

Before you fly: a 5‑minute pre‑travel checklist

• Install the eSIM on Wi‑Fi before departure (but don’t exhaust the validity window).
• Save your QR/code and account login offline.
• Verify your device is unlocked and supports the destination bands.
• Know whether your plan is country‑specific (e.g., Esim United States, Esim France, Esim Italy, Esim Spain) or regional (e.g., Esim Western Europe).
• Turn on Data Roaming for the eSIM line, and set it as your Mobile Data line.
• Keep your physical SIM off or ready to toggle if you won’t use home roaming.

When to contact support (and what to send)

If you’ve worked through the fixes and still can’t connect, share these details with support to speed resolution: - Your device make/model and OS version
- eSIM ICCID or EID (found in SIM/Network settings)
- Country and city you’re in, and which networks appear in manual selection
- Screenshots of: eSIM status, Data Roaming toggle, APN screen, network type (4G/5G)
- Whether you’ve tried network reset, reinstall, and different network selections

Pro tip: Try a local SIM test with a friend’s device, if available, to rule out a local outage.

For teams and frequent travellers

If you manage multiple travellers, centralised eSIM management saves hours. Explore pooled data, shared dashboards and deployment via QR or SM‑DP+ with For Business. Partners and resellers can automate provisioning and track redemptions via the Partner Hub.

FAQs

• Why is my eSIM not working after landing? Often it’s one of three things: Data Roaming is off, the eSIM isn’t set as the Mobile Data line, or the phone needs a reboot to register on the local network. Start with toggling Airplane Mode, enabling Data Roaming, and selecting a local network manually.
• Do I need to change APN settings for an eSIM? Usually no—APNs auto‑provision. If data won’t start, check the APN screen. If your provider lists a specific APN, enter it exactly and select it.
• Will a VPN stop my eSIM from working? VPNs and Private Relay can interfere with initial registration and captive portals. Turn them off, get connected, then re‑enable.
• Can I keep my physical SIM active while roaming on an eSIM? Yes, but set the eSIM as the default data line. If data keeps switching to the physical SIM, disable “mobile data switching” (iOS) or temporarily turn off the physical SIM.
• My eSIM shows bars but no internet. What now? This points to APN, data routing, or plan allowance. Confirm the eSIM is the data line, verify APN, and check you haven’t hit a data cap. Toggling 5G to 4G/LTE can also stabilise data.
• Which eSIM should I choose for multi‑country trips? Pick a regional plan: for the EU/Schengen area use Esim Western Europe; for cross‑border North American travel use Esim North America. For single‑country travel, browse by country via Destinations.

Next step: Ready to pick a plan that works where you’re going? Start with Destinations to find the right eSIM and setup notes for your trip.

Staying reachable without burning money on roaming is the modern traveller’s headache. Dual SIM with eSIM solves it: keep your main number active for calls and OTPs, and add a low-cost local or regional data plan on the same phone. No SIM swapping. No missed texts from your bank. In this guide, we explain how dual SIM with eSIM works, how calls/SMS/data behave, and how to set it up on iPhone and Android. We also cover common use cases like work/personal separation and travel/local pairing, plus how WhatsApp and other apps handle two numbers. If you’re planning a trip, browse country and regional options via Destinations or pick ready-made bundles such as Esim Western Europe or Esim North America. For the US or single-country trips, see Esim United States, Esim France, Esim Italy and Esim Spain.

What is dual SIM with eSIM?

Dual SIM means your phone can maintain two mobile lines at once. One or both can be eSIMs (digital SIM profiles). Typical setups: - Physical SIM + eSIM active together. - Two eSIMs active (on many newer devices). - Multiple eSIM profiles stored, with up to two active at a time (device-dependent).

On dual SIM dual standby (DSDS) phones, both lines are “on” for calls and texts when idle. You set a default line for data, calls and messages, and you can switch defaults at any time.

Device support varies. Recent iPhones and most mid/high-end Android phones support dual SIM with eSIM, but some models allow only one eSIM active at a time or restrict 5G/VoLTE on the secondary line. Check your device’s specs before you travel.

Why use dual SIM eSIM? Practical use cases

Work and personal separation

• Keep your personal number private while making and receiving work calls on a second line.
• Set the default for outgoing calls to your work line during office hours and flip it back to personal later.
• Mute one line at set times to reduce interruptions without missing urgent personal calls.

Travel: keep your home number for OTPs, add local data

• Keep your home SIM active for banking OTPs, two-factor codes and critical calls.
• Add a local or regional eSIM for affordable 4G/5G data and local rates.
• Disable data roaming on your home line to avoid bill shock; use the travel eSIM for all data.
• Pick country plans like Esim United States, Esim France, Esim Italy or Esim Spain, or choose a multi-country pass such as Esim Western Europe or Esim North America. Explore more via Destinations.

Coverage and cost optimisation

• Use the line with stronger coverage for data in fringe areas.
• Keep a cheap voice/SMS plan on one line and a high-data plan on the other.
• Switch defaults on the fly when you cross borders or move between networks.

Teams, events and short-term projects

• Provision temporary eSIM lines for contractors, events or field staff without shipping plastic SIMs.
• Centrally manage usage and budgets; see For Business.
• Partners and resellers can streamline deployments via the Partner Hub.

How calls, SMS, data, OTPs and apps behave

Understanding how two lines interact avoids surprises.

• Calls in standby: Both lines can receive calls when idle. When you place or receive a call on one line, the other may go to voicemail or show as unreachable unless your device/network supports features like call waiting across lines or Wi‑Fi Calling. Behaviour varies by carrier and phone.
• Default for voice/SMS: You choose a default line for outgoing calls and texts, but you can select the other line per contact or per call.
• Mobile data: Only one line provides mobile data at a time. You set this in settings. Some phones support “allow mobile data switching”, automatically using the other line if the selected data line has weak signal.
• SMS-based OTPs: OTP texts arrive on the line tied to that number as long as that line is enabled and has signal. Data does not need to be enabled on that line. If you’re abroad, receiving OTPs may incur roaming SMS charges on your home line—turn off data roaming but keep SMS/calls enabled to control costs.
• iMessage/FaceTime (iPhone): You can enable iMessage/FaceTime for one or both numbers and choose which to use by default.
• WhatsApp and similar apps:
• The standard WhatsApp app supports one number per device. Data can come from either line.
• To run two WhatsApp accounts on one phone, use WhatsApp + WhatsApp Business (iOS/Android) or OEM dual-app features (on some Android devices).
• Your WhatsApp number does not change just because your data comes from your travel eSIM.

Set-up: dual SIM with eSIM

iPhone step-by-step

1. Obtain your eSIM details: QR code or activation code from your provider.
2. On iPhone, go to Settings > Mobile Data > Add eSIM (or “Add Data Plan”).
3. Scan the QR code or enter details. Wait for activation.
4. Label your lines (e.g., “Personal” and “Travel”). Clear labels prevent mistakes.
5. Choose defaults: - Default Line for Calls and SMS. - iMessage & FaceTime line. - Mobile Data line (set to your travel/local eSIM when abroad).
6. Toggle “Data Roaming”: - Turn off for your home line while travelling. - Turn on for your travel eSIM, if required.
7. Optional: Enable “Allow Mobile Data Switching” if you want automatic fallback.
8. Test: Place a call from each line, send yourself an SMS from another phone, and load a webpage to confirm the data line.

Pro tips for iPhone: - You can store multiple eSIMs and swap which are active. Many newer iPhones support two active eSIMs. - Backups don’t include eSIMs. Keep your activation details safe; some carriers limit re-downloads. - For Wi‑Fi Calling, enable it separately per line (Settings > Phone > Wi‑Fi Calling).

Android step-by-step (Pixel/Samsung and similar)

1. Get your eSIM QR/activation details from your provider.
2. Open Settings > Network & Internet (or Connections) > SIMs > Add eSIM.
3. Scan the QR code or enter details. Wait for activation.
4. Name each SIM (e.g., “Work” and “Data”).
5. Set preferences: - Preferred SIM for Calls. - Preferred SIM for SMS. - Preferred SIM for Mobile Data (set to the travel/local eSIM).
6. Roaming: - Disable data roaming on your home line. - Enable on your travel eSIM if needed.
7. Optional: Enable “Switch data automatically” or similar to allow fallback.
8. Test calls, SMS, and data on both lines.

Pro tips for Android: - Some phones let you duplicate apps (Dual Messenger/App Twin) to run two WhatsApp accounts. Alternatively, use WhatsApp + WhatsApp Business. - Not all Android models support two eSIMs active simultaneously. If yours doesn’t, use one physical SIM + one eSIM, or swap active eSIM profiles as needed. - VoLTE/5G availability can differ per SIM slot/line; check your device and carriers.

Travel checklist: avoid bill shock and stay reachable

Before you fly: - Install and activate your travel eSIM over Wi‑Fi at home. - Label lines clearly and set the travel eSIM as the Mobile Data line. - Turn off Data Roaming on your home line; leave Calls and SMS on if you need OTPs. - Enable Wi‑Fi Calling for your home line if supported, to improve reachability without roaming data. - Check voicemail and call forwarding settings for both lines. - Tell your bank you’re travelling; ensure OTPs can arrive via SMS or app. - Save carrier support contacts and your eSIM activation details offline.

On arrival: - Confirm the travel eSIM connects and data works. - Place a brief test call from each line and send a test SMS. - Keep an eye on status bar icons to ensure you’re not accidentally using data on the home line.

Pro tips and common gotchas

• Keep eSIM credentials safe: Many providers allow limited re-installs. Don’t delete an active eSIM while abroad unless you’re certain you can re-download it.
• One data line at a time: Even with two active lines, only one provides mobile data. Choose carefully for maps, ride-hailing and tethering.
• Call collisions: During a call on one line, the other may be unreachable on some networks. If that’s critical, enable Wi‑Fi Calling and test how your phone behaves.
• Battery impact: Two active lines can use more battery. Mitigate by disabling 5G on the non-data line, reducing background activity, and using Wi‑Fi where possible.
• Apps tied to a number: Services like WhatsApp, Signal and Telegram can be re-registered to another number, but you may lose message history or access. Decide which number you want long-term before switching.
• Region-savvy plans: Multi-country eSIMs like Esim Western Europe simplify border crossings; US/Canada/Mexico travellers can look at Esim North America. Compare options by country on Destinations.

Regional picks for travellers

• City breaks or rail trips across multiple EU countries: Choose Esim Western Europe to avoid juggling separate plans.
• US road trip or conferences: Use Esim United States for nationwide coverage; combine with your home line for OTPs.
• Canada/US/Mexico multi-stop: Try Esim North America for cross-border continuity.
• Single-country travel: See Esim France, Esim Italy and Esim Spain for local choices, or browse the full list via Destinations.
• Business travel at scale: Central provisioning, spend control and support via For Business; partners can onboard faster with the Partner Hub.

FAQs

• Can I use both numbers at the same time?
• Yes, both lines are on standby for calls and texts. Only one line provides mobile data at a time. If you’re on a call on one line, the other may be temporarily unreachable depending on device/network features.
• Will OTP texts arrive while my data is on the other eSIM?
• Yes. OTPs arrive on the line associated with that number as long as that line is enabled and has signal. Data does not need to be on for SMS. Roaming SMS fees may apply if you’re abroad on your home line.
• Can I use WhatsApp with two numbers on one phone?
• The standard app supports one number. To run two accounts, use WhatsApp + WhatsApp Business (works on iOS and Android) or an OEM dual-app feature on some Android phones. Your data can come from either line regardless of the WhatsApp number.
• How do I avoid roaming charges on my home SIM?
• Turn off Data Roaming for the home line. Keep Calls and SMS on if you need to receive OTPs or critical calls. Set your travel eSIM as the Mobile Data line. Consider Wi‑Fi Calling to improve reachability without data roaming.
• Does dual SIM affect battery life?
• Slightly, because the phone maintains two network registrations. Reduce impact by disabling 5G on the non-data line, using Wi‑Fi, and turning off the secondary line when not needed.
• What if my phone supports only one eSIM active at a time?
• Use one physical SIM plus one eSIM, or store multiple eSIM profiles and switch which is active as required. Check your device manual for limits on active lines and 5G support.

Next step: Plan your trip and pick the right travel eSIM by browsing Destinations.

Travelling with a Samsung Galaxy S24 or S25? Good news: both flagships support eSIM, so you can add a local data plan in minutes without swapping plastic SIMs. This guide walks you through samsung esim setup step by step for each device series, explains the three activation methods you’ll see (QR code, manual entry, carrier app), and shows how to run dual-SIM smartly while abroad. You’ll also find a practical troubleshooting checklist and region-specific tips to pick the right plan before you fly. If you’re new to eSIM, don’t worry — the process is quick once you know where to tap, and you can store multiple eSIMs on your phone, switching them on and off as you travel. Keep this page handy when you land, connect to Wi‑Fi, and you’ll be online in under five minutes.

Explore ready-to-use travel plans for popular regions via our Destinations hub, or jump straight to curated bundles like Esim United States, Esim France, Esim Italy, Esim Spain, Esim Western Europe and Esim North America.

Before you start: quick checklist

• Wi‑Fi or a stable data connection for download and activation.
• Your eSIM QR code or activation details (SM-DP+ address, activation code).
• Phone battery above 30%.
• Phone unlocked from your carrier (if it’s carrier-locked, you can’t add non-approved eSIMs).
• Latest software installed: Settings > Software update > Download and install.
• Note your EID (sometimes required by providers): Settings > About phone > Status information > EID.

Tip: Save your eSIM QR code to another device or print it. You’ll need to scan it using your phone.

Confirm your Galaxy model and software

Samsung’s menus vary slightly by One UI version.

• Galaxy S24/S24+/S24 Ultra (One UI 6/6.1): eSIM lives under Settings > Connections > SIM manager.
• Galaxy S25/S25+/S25 Ultra (One UI 7+): wording may show as SIM manager or SIMs, still under Settings > Connections.

Most S24/S25 variants support multiple eSIM profiles stored and two lines active at once. Active combinations can vary by region/carrier: - Common: 1 physical nano-SIM + 1 eSIM active simultaneously. - On many variants: 2 eSIMs can be active simultaneously (Dual SIM Dual Standby). To confirm, open Settings > Connections > SIM manager: you’ll see available SIMs and which combinations can be toggled on together.

Samsung eSIM setup on Galaxy S24 series

Follow these steps on S24, S24+ and S24 Ultra.

1) Open Settings. 2) Tap Connections. 3) Tap SIM manager. 4) Tap Add eSIM (or Add mobile plan). 5) Choose your method: - Scan QR code. - Enter activation code (manual SM-DP+). - Use via carrier/app (if your provider supports in‑app download). 6) Wait for download and installation (1–3 minutes). Stay on Wi‑Fi. 7) When prompted, label the eSIM (e.g., “Spain eSIM”). 8) Set defaults: - Mobile data: choose the travel eSIM. - Calls/Messages: keep your home SIM if you want your usual number active. 9) Turn on Data roaming for the travel eSIM (Settings > Connections > Mobile networks > Data roaming). 10) Toggle off Data roaming on your home SIM to avoid accidental charges.

Samsung eSIM setup on Galaxy S25 series

On S25, S25+ and S25 Ultra, the flow is nearly identical, with minor wording changes.

1) Open Settings. 2) Tap Connections. 3) Tap SIM manager (or SIMs). 4) Tap Add eSIM (or Add mobile plan). 5) Select your activation method: - Scan QR code. - Enter details manually (SM-DP+ and activation code). - From carrier/app (if available). 6) Keep Wi‑Fi on while the plan downloads and activates. 7) Name the line and set: - Preferred SIM for mobile data. - Preferred SIM for calls/messages. 8) Enable Data roaming for the travel eSIM; disable it on your home SIM.

Note: On both S24 and S25, you can change these defaults anytime via Settings > Connections > SIM manager.

Three ways to activate your eSIM

Scan a QR code (most common)

• On your Samsung, go to Settings > Connections > SIM manager > Add eSIM > Scan QR code.
• Point the camera at the QR from your eSIM provider.
• Confirm installation, label the plan, and set data/call preferences.
• If prompted for a confirmation code or PIN, enter the one provided with your eSIM.

Enter details manually (SM-DP+)

If you have text details instead of a QR:

• Settings > Connections > SIM manager > Add eSIM > Enter activation code.
• Enter the SM-DP+ address, activation code and (if required) confirmation code exactly as given.
• Proceed to install and set preferences.

Use a carrier/app download

Some providers support direct download via their app or via “Use via carrier”:

• Install the provider’s app over Wi‑Fi.
• Sign in and follow prompts to “Add mobile plan/eSIM” on your Samsung.
• Approve installation when the system dialog appears.

Travel setup that just works: data on eSIM, calls on home SIM

To minimise roaming costs and keep your number reachable:

• Set Mobile data to the travel eSIM.
• Toggle Data roaming ON for the travel eSIM; OFF for your home SIM.
• Keep Calls and Messages on your home SIM if you want continuity.
• Enable Wi‑Fi Calling for your home SIM when supported (Settings > Connections > Wi‑Fi Calling), so you can receive calls/messages over Wi‑Fi without roaming.

For Europe trips spanning multiple countries, look at Esim Western Europe. For multi-country hops across the US and Canada, see Esim North America.

Managing two lines (dual-SIM) on Samsung

• Rename lines for clarity: Settings > Connections > SIM manager > tap each SIM > Edit name/colour.
• Choose per‑contact default line in the Phone/Contacts app, or pick “Ask every time” for calls.
• Control which line uses data: SIM manager > Mobile data.
• Turn a SIM on/off without deleting it: SIM manager > toggle the switch next to the line.
• Store multiple eSIMs for future trips, then activate only the one you need.

Pro tip: If your device supports two active eSIMs, you can run “Work” and “Travel” eSIMs together — handy for business trips. If you’re equipping a team, explore centralised options via For Business.

Troubleshooting: fast fixes

If activation fails or you don’t get data, try these in order:

1) Use solid Wi‑Fi, not mobile data, to download the eSIM. 2) Check date/time are automatic: Settings > General management > Date and time. 3) Reboot after installation. 4) Ensure the eSIM is toggled ON in SIM manager. 5) Set Mobile data to the eSIM and enable Data roaming on that line. 6) Network mode: set to 5G/LTE/3G/2G (auto) or LTE/3G/2G if 5G causes issues. Settings > Connections > Mobile networks > Network mode. 7) APN: if data connects but no internet, add the APN provided by your eSIM vendor: - Settings > Connections > Mobile networks > Access Point Names > Add. - Enter Name/APN exactly as provided, save, and select it. 8) Airplane mode ON for 10 seconds, then OFF. 9) Clear and re-add: Delete the eSIM profile and reinstall from the QR/activation code. 10) Carrier lock check: If “Add eSIM” is missing or you see “This device is locked,” contact your original carrier to unlock. 11) EID requirement: Some providers need your EID to push the plan. Find it under Settings > About phone > Status information > EID.

Still stuck? Ensure your plan covers the country you’re in. Browse by country via Destinations, or pick region-ready options like Esim United States or Esim Spain.

Picking the right plan for your trip

• USA city breaks and road trips: choose Esim United States for nationwide coverage.
• Paris, Lyon, Côte d’Azur: start with Esim France.
• Rome, Florence, Amalfi: go with Esim Italy.
• Barcelona, Madrid, Andalusia: try Esim Spain.
• Pan‑European itineraries: Esim Western Europe keeps you connected across borders.
• US + Canada circuits: pick Esim North America.

Partners and agencies managing multiple travellers can streamline procurement via our Partner Hub.

Pro tips for smooth travel data

• Install and test the eSIM on Wi‑Fi before you fly, but don’t enable data roaming until you land.
• Download offline maps and key apps while on hotel Wi‑Fi to save data.
• Keep your QR/activation code somewhere safe for reinstallation if needed.
• Battery saver: if coverage is patchy, temporarily set Network mode to LTE/3G/2G to reduce 5G hunting.
• WhatsApp usually follows the account you set up originally, not your current data SIM. You can keep using WhatsApp on your home number while your eSIM handles data.
• When leaving a country, switch your Mobile data back to your home SIM or your next eSIM, and toggle Data roaming accordingly.

FAQ

Q1) Can the Galaxy S24/S25 run two eSIMs at the same time?
A) Many variants support two active lines at once, and on numerous models this can be “2 eSIMs active” or “1 eSIM + 1 physical SIM.” The exact combination depends on your region/carrier. Check Settings > Connections > SIM manager to see available toggles on your unit.

Q2) How many eSIMs can I store on my Samsung?
A) You can store multiple eSIM profiles (varies by model, typically 5+), but only two lines can be active simultaneously. You can turn profiles on/off without deleting them.

Q3) Do I need to enable data roaming for my travel eSIM?
A) Yes, outside the eSIM’s “home” country you typically must enable Data roaming for that eSIM. Keep Data roaming OFF on your home SIM to avoid charges.

Q4) Will my home number still receive calls and texts?
A) If you leave your home SIM active for calls/messages, you can continue receiving them (charges may apply if roaming). Use Wi‑Fi Calling where available to reduce costs, or set Calls/Messages to the eSIM if you’ve ported/forwarded your number.

Q5) My eSIM installed, but data doesn’t work. What now?
A) Set the eSIM as Mobile data, enable Data roaming on that line, and verify APN settings from your provider. Try a reboot, toggle airplane mode, and check network mode. If needed, delete and reinstall the eSIM.

Q6) Can I move an eSIM from my old phone to my new Samsung?
A) Most eSIMs are one‑device installs. Use “Transfer” only if your provider supports it; otherwise request a new QR/activation code from your provider. Delete the profile from the old phone once the new one is active.

Next step

Pick your destination and add your plan in minutes. Start with Destinations — or, if you’re touring multiple countries, go straight to Esim Western Europe.

Travelling with an iPhone 15 or 16? Good news: Apple’s eSIM experience is now fast, reliable and ideal for travellers who want local data without juggling plastic SIMs. This guide walks you through a clean, repeatable iPhone eSIM setup, including QR code install, manual activation details (SM‑DP+), carrier app installs and Quick Transfer. You’ll also find practical APN tips, a fixes section for the most common errors, and pro traveller settings so data just works the moment you land. If you hit a snag at any point, jump straight to Troubleshooting below.

If you’re still shopping for a plan, browse country and regional options on Destinations — from single-country picks like Esim United States, Esim France, Esim Italy or Esim Spain to multi-country passes like Esim Western Europe and Esim North America.

Before you start: what you need

Estimated time: 5–10 minutes
Cost: Free to install (plan cost varies)

• An iPhone 15 or iPhone 16 running current iOS (Settings > General > Software Update).
• Reliable Wi‑Fi (strongly recommended during activation).
• Your eSIM details:
• Either a QR code, or
• Manual activation details: SM‑DP+ address, Activation Code, and (if provided) Confirmation Code.
• If transferring from another iPhone: both phones on iOS 16+ and signed into iCloud with Bluetooth on.

Quick checks: - Remove any old VPN profiles (Settings > General > VPN & Device Management) if they may interfere. - Backup screenshots or a PDF of your QR code so you have it offline on arrival.

Compatibility note: - iPhone 15/16 models sold in the United States are eSIM‑only. International variants generally still include a physical SIM tray. All support multiple eSIMs with up to two lines active at the same time.

Step-by-step iPhone eSIM setup

You can add an eSIM in four ways. Use the method your provider supports.

Tip: If your provider instructs you to activate only after you land, you can still pre‑install the eSIM over Wi‑Fi and toggle it on later.

Option 1: Install via QR code (fastest)

1. Connect to Wi‑Fi.
2. On your iPhone: Settings > Mobile Data (Cellular) > Add eSIM.
3. Tap Use QR Code and point the camera at your code.
4. When prompted, tap Continue. If asked, choose to Add eSIM.
5. Wait for “Activating” to complete. This can take 1–3 minutes.
6. Label the line (e.g., “Japan data”).
7. Set as your Mobile Data line if it’s your travel plan. Keep your home line for calls/SMS if needed.
8. Leave Data Roaming off until you arrive, unless your plan requires activation at purchase.

If you see “Invalid QR Code” or “Plan Cannot Be Added”, see Troubleshooting.

Option 2: Enter details manually (SM‑DP+ and Activation Code)

1. Settings > Mobile Data > Add eSIM > Use QR Code > Enter Details Manually.
2. Enter: - SM‑DP+ Address: e.g., “xyz.smdp.com” (exactly as provided) - Activation Code: long string (case‑sensitive) - Confirmation Code: only if your provider lists one
3. Tap Next and wait for activation.
4. Label and assign the line for data as needed.

Tip: Typo‑sensitive. Copy/paste carefully. Double‑check dots and dashes.

Option 3: Install via carrier/app

1. Install your provider’s app from the App Store.
2. Create/log in to your account and purchase/assign the eSIM to your device.
3. In the app, select “Install eSIM” and follow the prompts.
4. When iOS prompts to add the plan, confirm and wait for activation.

Option 4: eSIM Quick Transfer (moving from your old iPhone)

1. Put both iPhones side by side with Bluetooth on and signed into iCloud.
2. On your new iPhone: Settings > Mobile Data > Add eSIM > Transfer From Nearby iPhone.
3. On your old iPhone, approve the transfer and choose the line.
4. Wait for activation on the new device and confirm the line is working.
5. Decide whether to keep the eSIM active on the old phone (usually off for travel).

After activation: configure for travel

These post‑install settings make the difference between “it works” and “it works every time”.

• Label lines: Settings > Mobile Data > tap the new plan > Label.
• Default line:
• Mobile Data: choose your travel eSIM.
• Voice: choose your home line if you want your usual number active.
• iMessage & FaceTime: Settings > Messages/FaceTime > Send & Receive > pick the appropriate number/email.
• Data Roaming: Toggle on when you land in your destination.
• Network Selection: If auto fails, try manual. Settings > Mobile Data > Network Selection > turn off Automatic and choose a listed partner network.
• 5G/LTE: Settings > Mobile Data > Mobile Data Options > Voice & Data > try 5G Auto/On or LTE per provider guidance.
• Low Data Mode: Turn off if speeds seem throttled unnecessarily.

APN and data settings (only if needed)

Most eSIMs auto‑configure APN. If data connects but webpages won’t load, set APN manually.

• Go to Settings > Mobile Data > your eSIM plan > Mobile Data Network (Cellular Data Network).
• Under Mobile Data (Cellular Data):
• APN: enter the exact APN value provided (e.g., “internet”, “fast.t-mobile.com” — this will vary).
• Username/Password: leave blank unless specified.
• MMS/Personal Hotspot APNs: set only if you’ve been given values.
• Return one level and reboot the iPhone if the change doesn’t apply immediately.

Pro tips: - If the APN field is missing or greyed out, your profile is locked by the carrier; contact support to push correct settings. - “Could not activate mobile data network” usually means incorrect APN or temporary network registration delay. Recheck APN and toggle Airplane Mode for 20 seconds.

Troubleshooting: top errors and fast fixes

If activation fails, work methodically. Most issues resolve in under 5 minutes.

1) “Invalid QR code” / “This code is no longer valid” - Cause: Code already redeemed, expired, or scanned incorrectly. - Fix: - Confirm you’re scanning the most recent QR from your provider. - Try Enter Details Manually (SM‑DP+, Activation Code). - Ask the provider to reissue the eSIM.

2) “Activation unsuccessful” / Stuck on “Activating” - Cause: Wi‑Fi glitch or temporary carrier server timeout. - Fix: - Force‑quit Settings, toggle Airplane Mode on for 20 seconds, then off. - Reboot iPhone. - Switch to a different Wi‑Fi or use a known‑good hotspot. - Try again after 10–15 minutes.

3) “No Service” after install - Cause: Roaming off, wrong network selected, unsupported band, or not yet in the coverage area. - Fix: - Toggle Data Roaming on (when in destination). - Settings > Mobile Data > Network Selection: try manual selection of a partner network. - Settings > Mobile Data Options > Voice & Data: switch between 5G Auto, 5G On, and LTE. - Restart the iPhone.

4) Data doesn’t work; calls/SMS do (or vice‑versa) - Cause: APN not set, wrong default data line, or plan is data‑only. - Fix: - Confirm your eSIM is selected as the Mobile Data line. - Set APN manually as provided by the carrier. - If your plan is data‑only, use OTT apps for calls/messages.

5) “Plan cannot be added” / “Unable to complete cellular plan change” - Cause: Region/IMEI/EID mismatch or unsupported device profile. - Fix: - Ensure you’re on the latest iOS. - Provide your device EID to the provider (Settings > General > About). - Ask the provider to reprovision the eSIM.

6) “Could not activate mobile data network” - Cause: APN or temporary network block. - Fix: - Reenter APN, then reboot. - Toggle Airplane Mode, then test again. - Try manual network selection.

Still stuck? Delete and reinstall the eSIM: - Settings > Mobile Data > tap the plan > Remove eSIM. Re‑add via QR/manual details. Ensure Wi‑Fi is stable during reactivation.

Managing multiple eSIMs on iPhone 15/16

• Store many, use two: iPhone 15/16 can store multiple eSIMs and keep up to two lines active at once.
• Switch data line quickly: Settings > Mobile Data > Mobile Data > select the plan you need.
• Pause a line (don’t delete): Toggle “Turn On This Line” off to keep the profile for later.
• Delete when finished: Remove eSIM to tidy your list. Keep a copy of the QR/manual details in case you need to reinstall.

Pro tips for travellers

• Pre‑install on Wi‑Fi before you fly, then toggle the line on when you land.
• Keep your home line on for SMS codes, but set the travel eSIM as the Mobile Data line.
• Save the QR code and manual details offline (Files app/Notes) for airport re‑installs.
• If speed dips in crowds, try manual network selection or switch between 5G and LTE.
• Hotspot/tethering: Check your plan allows it; if not working, set the APN for Personal Hotspot if provided.

Plan your eSIM by destination

Choose a country or a multi‑country pass based on your route: - Single countries: Esim United States, Esim France, Esim Italy, Esim Spain - Multi‑country: Esim Western Europe, Esim North America

See the full list on Destinations.
Travelling as a team? Explore pooled and managed plans For Business. Partners and resellers can access assets and tools via the Partner Hub.

FAQ

1) Can I use two eSIMs at the same time on iPhone 15/16?
Yes. You can have multiple eSIMs stored and keep two lines active simultaneously. Assign one for Mobile Data and choose how to handle voice and iMessage/FaceTime.

2) Do iPhone 15/16 models support physical SIMs?
US‑market iPhone 15/16 models are eSIM‑only. Many international variants also support a physical nano‑SIM alongside eSIM. Regardless, eSIM is supported across the range.

3) When should I install my travel eSIM?
If allowed by your provider, install over Wi‑Fi before departure, then switch Data Roaming on when you land. If your plan starts counting from activation, install at the airport on arrival.

4) How do I move my eSIM to a new iPhone 16?
Use Add eSIM > Transfer From Nearby iPhone (Quick Transfer) with both phones on iOS 16+. Some providers require issuing a new eSIM—contact them with your new device’s EID if Quick Transfer isn’t offered.

5) My data works but some apps are slow. What can I check?
- Disable Low Data Mode.
- Try switching 5G Auto ↔ LTE.
- Set APN manually if your provider supplies one.
- Toggle Private Relay/VPN off temporarily.
- Try manual network selection to a different roaming partner.

6) What if my QR code has expired?
Ask your provider to reissue the eSIM or use the manual SM‑DP+ and Activation Code path if those details are still valid.

Next step

Pick your plan now and be ready to connect on landing: browse Destinations.

Travellers are ditching plastic SIMs for eSIMs because they’re fast to set up, kinder to your phone’s SIM tray, and usually cheaper than roaming. But eSIM support varies by model and region, and not every “dual-SIM” phone actually supports a digital SIM. This 2025 guide gives you the definitive compatibility picture: quick checks you can run in under two minutes, a brand-by-brand device matrix, and practical install tips that avoid airport Wi‑Fi panic. If you’re planning a trip to the US, Europe or beyond, we’ll also point you to dependable regional plans like Esim United States, Esim Western Europe and Esim North America.

Key point: model names alone aren’t enough. Variants from different countries or carriers can enable or disable eSIM. Use the quick checks below to confirm your exact device, then pick a plan from our global Destinations page.

The fastest way to confirm eSIM support (2‑minute check)

• Step 1: Find your EID
• iPhone: Settings > General > About. Look for “EID”.
• Android (Pixel/Samsung/others): Settings > About phone (or Status). Look for “EID”.
• Or dial *#06# on most phones. If you see an EID, your hardware supports eSIM.
• Step 2: Look for an “Add eSIM” option
• iPhone: Settings > Mobile Data > Add eSIM.
• Samsung: Settings > Connections > SIM manager > Add eSIM.
• Pixel/Android: Settings > Network & Internet > SIMs > + Add eSIM.
• Step 3: Update and unlock
• Install the latest iOS/Android update.
• Ensure the phone is network unlocked for travel eSIMs.
• Step 4: Dual SIM expectations
• Most recent iPhones, Pixels and flagships support two lines active (one or two eSIMs depending on model). Mid‑range Androids may allow only one eSIM active alongside a physical SIM.

Pro tip: No EID showing? Your model or region variant likely doesn’t support eSIM, or the feature is disabled by firmware/carrier.

eSIM‑compatible phones in 2025: the definitive list

Model availability and eSIM features can vary by region and carrier firmware. Use this as a guide, then run the quick checks above on your exact handset.

Apple iPhone (global leaders for eSIM)

• iPhone 16 / 16 Plus / 16 Pro / 16 Pro Max – eSIM supported; US models are eSIM‑only (no SIM tray).
• iPhone 15 family – eSIM supported; US models are eSIM‑only.
• iPhone 14 family – eSIM supported; US models are eSIM‑only.
• iPhone 13, 12, 11 families – eSIM supported.
• iPhone XS, XS Max, XR – first iPhones with eSIM.
• iPhone SE (2nd gen 2020, 3rd gen 2022) – eSIM supported.

Notes for travellers: - iPhone 13 and newer can run two eSIMs simultaneously (or one eSIM + one physical SIM on non‑US models). - iOS allows storing multiple eSIM profiles and switching as you travel.

Samsung Galaxy (flagships and many A‑series)

• Galaxy S24 / S23 / S22 / S21 / S20 series – eSIM supported on most global variants.
• S20 FE: eSIM availability depends on edition/region; later “2022” models added eSIM in many markets.
• Galaxy Z Fold and Z Flip (all generations since eSIM was introduced) – eSIM supported.
• Galaxy Note20 / Note20 Ultra – eSIM supported on most variants.
• Galaxy A‑series (region‑dependent): A55, A54, A35, A34, A25 5G, A15 5G and newer mid‑range models often include eSIM in Europe/Asia; some US carrier‑branded units disable it.

Notes for travellers: - eSIM on Samsung can be region/carrier dependent. Check Settings > Connections > SIM manager. - Many newer models support multiple stored eSIMs; simultaneous active lines vary by device/firmware.

Google Pixel (Android’s eSIM reference)

• Pixel 9 / 9 Pro / 9 Pro Fold – eSIM supported.
• Pixel 8 / 8 Pro – eSIM supported; dual eSIM possible on recent Android builds.
• Pixel 7 / 7 Pro / 7a – eSIM supported.
• Pixel 6 / 6 Pro / 6a – eSIM supported.
• Pixel 5 / 4 / 4a – eSIM supported.
• Pixel 3 / 3a – eSIM supported in many regions; some carrier variants limit it.
• Pixel Fold – eSIM supported.

Notes for travellers: - Pixel 2 had a limited eSIM implementation (mostly Google Fi); treat it as non‑universal.
- Keep Android 13+ for the smoothest eSIM experience.

Other Android brands (selected models with widespread eSIM support)

Because eSIM on these brands varies more by market and firmware, treat this as “supported in many regions” and confirm on your device with the EID check.

• OnePlus: 11, 12, 13 – eSIM on many EU/IN/global variants; earlier models largely lacked eSIM.
• Sony Xperia: 1 V/VI, 5 V, 10 V/VI – eSIM widely supported.
• Motorola: Razr (2019 onwards), Razr 40/50 series; Edge 30/40 families and newer – many variants support eSIM.
• Xiaomi: 13 / 13 Pro / 13T Pro, 14 / 14 Pro / 14 Ultra – growing eSIM support by region; confirm locally.
• OPPO: Find X5/X6/X7 series; Reno 8/10 series – selected regional variants support eSIM.
• Huawei: Selected P and Mate series (e.g., P40/P50/P60, Mate 40/50) support eSIM in some markets.
• Nothing: Phone (1) and Phone (2) support eSIM.
• Fairphone: Fairphone 4 and 5 support eSIM.
• Nokia/HMD: Nokia X30 5G, XR21 and some enterprise models support eSIM.

Pro tips: - Mid‑range and carrier‑branded Androids are the most inconsistent. Always check for EID and an “Add eSIM” option. - If your dual‑SIM tray has two physical SIM slots, eSIM may still be supported—but it’s not guaranteed.

iPhone vs Samsung vs Pixel on the road

• iPhone
• Best overall consistency. US iPhone 14/15/16 are eSIM‑only, which is ideal for travel plans.
• iOS makes it simple to label lines (e.g., “Japan Data”) and pick a default for data/voice.
• Can store multiple profiles; two lines active on iPhone 13 and newer.
• Samsung
• Powerful SIM manager with clear toggles for data/voice/roaming.
• Watch for model/region variance on A‑series and FE models.
• If “Add eSIM” is missing, update software; some regions enable it via firmware.
• Pixel
• Clean implementation with helpful prompts; strong dual‑SIM standby on recent models.
• Updating to the latest Android build often unlocks dual eSIM improvements.
• Great for quick QR installs before you fly.

How to install a Simology eSIM (step‑by‑step)

Do this on Wi‑Fi before you travel.

1) Buy a plan
- Choose your country or region on Destinations. For multi‑country trips, consider Esim Western Europe or Esim North America.

2) Open your QR or activation details
- Keep the email/app screen open on another device, or print the QR.

3) Add the eSIM
- iPhone: Settings > Mobile Data > Add eSIM > Use QR Code.
- Samsung: Settings > Connections > SIM manager > Add eSIM > Scan QR.
- Pixel: Settings > Network & Internet > SIMs > + Add eSIM.

4) Label and set defaults
- Name it (e.g., “Trip EU”) and set it as the Mobile Data line. Keep your primary line for calls/texts if needed.

5) Enable Data Roaming on the travel eSIM
- Required for regional packs like Esim France, Esim Italy or Esim Spain.

6) Test before departure
- Toggle the eSIM off/on and check APN auto‑config. You’re ready.

Pro tips: - Arriving late? Install the eSIM at home so it activates instantly on landing.
- Use regional bundles to avoid switching plans mid‑trip (e.g., Esim United States for the US or Esim Western Europe for multi‑country EU travel).
- Business travellers: centralise purchasing and compliance with For Business.

Troubleshooting and gotchas

• No “Add eSIM” option
• Update software; reboot; check if the phone is carrier‑branded (some carriers hide the menu on mid‑range models).
• No EID found
• Your device likely lacks eSIM hardware or the variant disables it.
• QR won’t scan
• Enter activation details manually. Ensure you’re on Wi‑Fi and any VPN is off.
• “Maximum eSIMs reached”
• Delete old, unused eSIM profiles to free a slot.
• Data not working on arrival
• Confirm the travel eSIM is set as the Mobile Data line and Data Roaming is on. Reboot once after network attach.
• Locked phone
• Travel eSIMs require an unlocked device. Contact your carrier to request unlock before you fly.

Partners and resellers: streamline onboarding and co‑branded offers via the Partner Hub.

FAQ

How do I know if my phone is eSIM capable?

Check for an EID in Settings (or dial *#06#) and an “Add eSIM” option in your SIM settings. If both exist, your phone supports eSIM. If either is missing, it likely doesn’t.

Do I need an unlocked phone to use a travel eSIM?

Yes. Most travel eSIMs, including Simology plans, require an unlocked device. A carrier‑locked phone generally only accepts that carrier’s eSIMs.

Can I run two lines at the same time?

Most modern iPhones (13 and newer) and recent Pixels/Samsungs support two active lines (e.g., personal number plus travel data). Some mid‑range Androids limit you to one active eSIM at a time.

How many eSIMs can I store?

It varies by model. Recent iPhones and Pixels can store multiple eSIM profiles (often 5–10 or more) but typically allow only two lines active simultaneously. You can switch profiles in Settings.

Can I move an eSIM to a new phone?

Some providers support eSIM transfer in‑app or via QR reissue, but many treat eSIMs as one‑device only. Plan to install a fresh eSIM on your new phone.

Will eSIM drain my battery faster?

Not noticeably. Running two lines can use slightly more power, but modern radios manage this efficiently. Most users won’t see a meaningful difference.

Next step: Confirm your phone with the quick checks above, then pick your destination plan on Destinations.

Choosing the best eSIM for Europe in 2025 comes down to what you actually do on the road: how many countries you’ll cross, how much data you burn, whether you need 5G, and if hotspot tethering matters. Pricing is competitive, but not all “Europe” eSIMs are equal—some throttle after small “unlimited” buckets, some exclude popular destinations, and others won’t let you tether at all. This guide compares Europe-ready eSIMs by price per GB, 5G access, hotspot policy, and fair-use rules, so you don’t discover limits at the worst time (like mid-ride-share across borders).

For most travellers, Simology’s regional plan is a standout: consistent 4G/5G coverage across key countries, transparent allowances, hotspot enabled, and simple top-ups. If you’re mainly in one country, a local eSIM (e.g., France, Italy, Spain) can push price per GB down even further. Flying via the US or Canada? Pair a Europe eSIM with a North America plan to stay connected gate-to-gate. Below is how to choose, what to expect, and the fastest way to avoid fair-use surprises.

Quick verdict: the best eSIM for Europe in 2025

• Best overall for multi-country trips: Simology Esim Western Europe — multi-country coverage, hotspot allowed, fair-use clearly stated, easy top-up.
• Best value if staying in one country: Simology country eSIMs such as Esim France, Esim Italy and Esim Spain — usually the lowest price per GB.
• Best for transatlantic travellers: Pair Esim United States or Esim North America with a Europe plan for seamless coverage on both sides.
• Best for teams and frequent flyers: Managed accounts via For Business — pooled visibility, cost control, consolidated billing.

If you’re unsure which countries are covered, start with the full list on Destinations.

How we compared Europe eSIMs

• Price per GB: Divide plan price by included GB. Ignore “unlimited” claims unless a clear daily/total high-speed cap is disclosed.
• Coverage footprint: Number of countries, inclusion of the big four (France, Italy, Spain, Germany) plus the UK, Nordics, Benelux, Portugal, Switzerland and popular Balkans.
• Network quality: Access to top local operators and 5G in major cities; no permanent throttling.
• Hotspot/tethering: Explicitly allowed by default.
• Fair-use policy (FUP): Transparent thresholds, reasonable roaming terms, and no punitive restrictions for normal travel use.
• Ease of use: Instant delivery, QR installation, quick top-ups, responsive support.

Simology’s regional and country eSIMs score well on the above, particularly on price-per-GB transparency and hotspot inclusion.

The best Simology picks for Europe

Esim Western Europe — top pick for most travellers

Who it’s for: - City-hoppers doing 3–12 countries in one trip - Families or remote workers who rely on hotspot - Travellers wanting simple top-ups and a single eSIM across borders

What you get: - Broad multi-country coverage across Western Europe with 4G/5G where available - Hotspot/tethering enabled - Clear, upfront data allowances with straightforward price-per-GB - Friendly fair-use terms intended for travel (not permanent roaming)

Why it’s hard to beat: - You avoid the SIM shuffle at borders and keep one APN and one data monitor - 5G in major hubs for quick downloads and video calls - Competitive price-per-GB compared with typical regional packs

Consider if: - You’re mostly staying in one country (a local eSIM may be cheaper per GB) - You need calling minutes (data-only eSIMs use VoIP apps; pair with your primary SIM for voice/SMS)

Check availability and covered nations on Esim Western Europe and confirm your route against Destinations.

Country eSIMs — the best price per GB when you stay put

If your itinerary centres on a single country, local plans often win on value and sometimes on peak speeds.

• France: See Esim France for dense 5G in Paris, Lyon, Marseille and strong rail-corridor coverage. Excellent for city weekends and Riviera road trips.
• Italy: Esim Italy offers solid 5G in major cities and coastal belts; good for hotspots on trains and ferries.
• Spain: With Esim Spain, coverage is wide across cities and islands; great for digital nomads needing steady tethering.

Choose a country eSIM when: - You won’t cross borders or only do a quick day trip - You want the lowest cost per GB and plan to stream or hotspot frequently

Transatlantic and multi-region itineraries

Connecting through North America? Avoid airport Wi‑Fi hunting by pairing your Europe eSIM with a North America plan:

• USA only: Esim United States
• US/Canada/Mexico: Esim North America

Install both profiles before you fly, then toggle data lines per region. If you’re organising trips for teams or events, centralise management with For Business. Travel brands and creators can explore partnerships via the Partner Hub.

Fair-use policies in Europe explained (and how they affect you)

Fair-use policies exist to prevent abuse of roaming and unlimited plans. Here’s what matters in practice:

• Roaming vs “local”: Most Europe eSIMs are regional roaming bundles. That’s fine for travel, but networks may apply FUP while roaming, such as deprioritisation or caps during congestion.
• “Unlimited” usually isn’t: High-speed data often has a daily or total cap (e.g., 1–5 GB/day at full speed, then throttled). If a plan says unlimited, look for the high-speed allowance first.
• Hotspot limits: Some providers block tethering or throttle hotspot specifically. Simology plans allow hotspot by default unless stated otherwise.
• Country exclusions: Not every “Europe” plan includes Switzerland, the Balkans or microstates. Confirm the exact list on Destinations.
• Usage window: Plans run for a set validity period from first activation; unused data may not roll over.

Practical takeaways: - Pick a plan with a clear high-speed allowance if you work on the go. - Expect speed variation at busy times or on rural routes; try different network selections if your device allows. - For long trips, buy a sensible base allowance and top up rather than chasing “unlimited”.

Step-by-step: how to choose the right Europe eSIM

1) Map your route - List every country and the number of days in each. - If 3+ countries, lean towards Esim Western Europe; otherwise a country eSIM may be cheaper.

2) Estimate your data need - Light (maps, messages, occasional rides): 3–5 GB/week - Moderate (social, short video, hotspot for email): 6–10 GB/week - Heavy (HD video, frequent hotspot/video calls): 12–20 GB+/week

3) Decide on 5G vs 4G - If you upload media, join video calls, or plan to tether often, choose 5G access where available.

4) Confirm hotspot - Ensure your plan explicitly allows tethering if you’ll share data to a laptop or tablet.

5) Plan your dual-SIM setup - Keep your home SIM active for calls/SMS, but set the eSIM as your data line and switch data roaming off on your primary SIM to avoid bill shock.

6) Check device compatibility - Most recent iPhone, Samsung Galaxy, Google Pixel and other flagships support eSIM. If unsure, consult your device specs.

7) Buy and install early - Purchase from Simology, scan the QR code, and add the eSIM before departure while on good Wi‑Fi.

8) Test and label - Toggle mobile data to the eSIM briefly at home to confirm activation. Name it “Europe Data” (or country) to avoid confusion.

Activation and on‑trip checklist

Before you fly: - Install your eSIM profile over Wi‑Fi. - Set the eSIM as “Mobile Data” line; turn data roaming off on your primary SIM. - Download offline maps; update apps while on Wi‑Fi.

On arrival: - Toggle the eSIM data line on. - Ensure Data Roaming is enabled for the eSIM line. - If speeds seem slow, briefly toggle Airplane Mode or select a different partner network in Settings.

During your trip: - Monitor data usage in your phone settings. - Hotspot when needed; disable when idle to save battery and data. - Top up through your Simology account if you’re running low.

Pro tips to save data and avoid surprises

• Use Low Data Mode/ Data Saver on your phone.
• Disable auto-play for video in social apps.
• Cache music and podcasts on Wi‑Fi.
• Prefer Wi‑Fi for big backups; pause cloud photo sync while roaming.
• Use Wi‑Fi calling for voice; WhatsApp/FaceTime use your existing number even on a data-only eSIM.
• For road trips, keep offline maps for every country you’ll cross.
• If you’ll be in the US before/after Europe, install Esim United States or Esim North America in advance.

FAQ: Europe eSIMs

1) Will my phone work with a Europe eSIM? - Most recent iPhone (XR/XS and newer), Google Pixel (3 and newer), and flagship Samsung devices support eSIM. Region-specific models vary. If in doubt, check your device settings for “Add eSIM” or consult the manufacturer’s specs.

2) Can I use hotspot/tethering with Simology eSIMs? - Yes, Simology plans allow hotspot unless stated otherwise on the specific product page. Tethering performance depends on local network conditions.

3) How fast is 5G in Europe? - In major cities, typical real-world 5G ranges from 150–500 Mbps, with higher peaks possible. Speeds vary by network, location, and time of day, and can be managed during congestion.

4) I’m visiting 8–10 countries in two weeks. What’s best? - A regional plan like Esim Western Europe keeps things simple across borders. If you’ll spend 5+ days in a single country with heavy usage, add a local eSIM (e.g., Esim France or Esim Italy) for cheaper per‑GB data during that block.

5) Do I need to show ID to buy an eSIM in Europe? - Most data-only eSIMs in Europe do not require ID, but requirements vary by country. If verification is required, Simology will prompt you during checkout.

6) Can I keep my WhatsApp number and receive texts from my bank? - Yes. Your WhatsApp stays linked to your number. Keep your physical SIM active for SMS; set the eSIM as data-only and turn off data roaming on the primary SIM to avoid charges.

The bottom line

The best eSIM for Europe is the one that matches your route, data habits, and need for 5G and hotspot. For most travellers crossing multiple borders, Simology’s Esim Western Europe combines solid coverage, transparent allowances, and tethering without hoops. If you’ll camp in one country, local eSIMs like Esim France, Esim Italy or Esim Spain usually deliver the lowest price per GB. Flying via the US or Canada? Add Esim United States or Esim North America for smooth connectivity end to end.

Next step: Compare coverage and pick your plan on Esim Western Europe.