EU Long Stays: Fair‑Use for Nomads & Students (90/180‑Day Rule)

31 Oct 2025

Planning a long stretch around Europe? Here’s the traveller‑first guide to EU fair use on long stays. Confusion often comes from mixing two different systems: immigration rules (the Schengen 90/180‑day stay limit) and telecom rules (EU roaming fair use). They are not the same. Immigration limits how long you can stay. Telecom fair use limits how long you can roam on an EU plan before surcharges kick in. If you’re a student with local residency, you’re treated differently to a roaming nomad bouncing between countries. And regional eSIMs add a third option that avoids most “home vs abroad” checks altogether. This guide cuts through the jargon with plain‑English explanations, examples you can copy, and practical checklists to keep your connectivity clean and cost‑predictable. If you just want a solution: country eSIMs are best when you settle in one place; regional EU eSIMs shine for multi‑country hops. Keep reading for the details and how to choose.

The quick version: Fair‑use vs 90/180

90/180 rule: Immigration. Most visa‑exempt visitors can stay in the Schengen Area up to 90 days in any 180‑day period. Nothing to do with mobile plans.
EU roaming fair use: Telecom. EU/EEA operators let their customers “roam like at home” across the EU. To stop permanent roaming, they can apply fair‑use checks over a four‑month window and, if triggered, add regulated surcharges after warning you.
Regional travel eSIMs: These are made for roaming. They don’t rely on EU “roam like at home” privileges, so the home‑vs‑abroad test usually doesn’t apply. Instead, your limit is the plan’s validity and data allowance.

For country coverage quirks (e.g., Switzerland, UK post‑Brexit), see Destinations.

What the EU fair‑use policy actually says (for travellers)

EU “Roam Like at Home” (RLAH) protects EU/EEA subscribers using their home mobile plan around the bloc. It applies primarily if you hold an EU plan with an EU operator.

The home‑presence and usage test (4‑month window)

Your EU operator can watch usage over at least four months. If both are true, they may flag permanent roaming:

1) You’ve been more time “abroad” than “at home,” and
2) You used more data while roaming than you did at home.

If they detect this, they must warn you and give at least 14 days to change your pattern (e.g., use the line domestically or reduce roaming). If nothing changes, they can add small, regulated surcharges on roaming usage. Your service isn’t cut off, but costs rise.

Data caps on “unlimited” plans while roaming

If your domestic plan is unlimited or very cheap per GB, your operator can set a specific fair‑use roaming data allowance, calculated from your plan price and EU wholesale caps. The allowance and any out‑of‑bundle surcharge must be clearly communicated. Always read the roaming section of your tariff.

Residency or “stable links”

Operators can ask for proof of residency or stable links (study, work) when you buy or keep a domestic plan. This isn’t immigration control; it’s to ensure domestic plans aren’t used as permanent roaming products.

Warnings and surcharges

You’ll receive a warning before any fair‑use surcharge applies.
Surcharges are capped by EU rules and reviewed periodically.
Paying a surcharge doesn’t fix the root cause. If your lifestyle is long‑term roaming, reconsider your setup (see below).

Note: RLAH covers EU/EEA. It does not automatically include Switzerland or the UK. Check Destinations before you go.

Residency vs roaming: which bucket are you in?

Students with a local contract (resident or stable link)

If you study in, say, France and sign up for a French mobile plan using local documentation, France becomes your “home” for that line. Your everyday use in France typically outweighs your time abroad, so your weekend trips to Spain or a fortnight in Italy sit comfortably within fair use. For deeper country fit, see Esim France, Esim Spain and Esim Italy.

Digital nomads and long‑stay visitors (non‑resident)

If you don’t have EU residency and you rely on a single EU domestic SIM while rarely returning to its home country, you’re likely to trip the fair‑use test after a few months. Two cleaner options:

Use country eSIMs in each country you stay in for a month or two; or
Use a regional travel eSIM designed for roaming around Europe.

How regional eSIMs fit into long stays

Regional travel eSIMs are built for cross‑border use. Instead of offering a domestic plan with RLAH, they provide roaming access in multiple countries from day one. This sidesteps the “domestic vs roaming” test entirely.

Multi‑country coverage: A single profile that works across much of the EU. See Esim Western Europe for a practical one‑SIM solve when you’re rotating through EU hubs.
Validity and data: Plans come with defined validity (e.g., 15–90 days) and data buckets. If you run out, top up or add another plan—no residency checks.
Outside the EU: Heading to or from North America? Pair your Europe plan with Esim North America or set up before you fly with Esim United States.

When you’re staying a whole term in one country, a local eSIM can be cheaper for heavy data. For multi‑country months, regional usually wins on simplicity.

When to choose a country eSIM vs a regional EU eSIM

Choose a country eSIM when:
You’ll spend 30+ days in one country and use lots of data.
You need local rates for domestic calls or long‑term top‑ups.
Example pages: Esim France, Esim Italy, Esim Spain.
Choose a regional EU eSIM when:
You’ll cross borders frequently (e.g., 3–6 countries over 2–4 months).
You prefer one number/data plan to manage across the trip.
See: Esim Western Europe.

Use dual‑SIM: keep your primary line for authentication calls/SMS, and set the travel eSIM as your data line.

Step‑by‑step: Students (semester or year abroad)

1) Get a local plan in your host country
- Sign up with local ID/student proof. Your host country becomes “home” for that plan.

2) Read the roaming section of your tariff
- Note any roaming data caps and the four‑month fair‑use window.

3) Use your host‑country SIM domestically most of the time
- Weekend trips are fine. Long multi‑month trips outside your host country might trigger warnings.

4) Add a regional eSIM for holiday stretches
- If you’ll travel for several weeks, switch your data line to Esim Western Europe to avoid breaching your domestic plan’s fair‑use pattern.

5) Keep alerts on
- Don’t ignore SMS warnings. You usually get at least 14 days to adjust your usage before surcharges apply.

6) Check non‑EU neighbours
- UK/Switzerland often sit outside inclusive roaming. Verify on Destinations before you go.

Step‑by‑step: Digital nomads (90–180 days across EU)

1) Decide your pattern
- Many short stays in multiple countries? Start with a regional plan. One or two long stops? Mix in country eSIMs for each stop.

2) Set up before you move
- Install the eSIM profile while you have reliable Wi‑Fi. Test with a small top‑up.

3) Use dual‑SIM smartly
- Keep your home SIM active for 2FA/texts. Set the travel eSIM as the default for data.

4) Rotate plans, not penalties
- Regional eSIMs like Esim Western Europe are priced for roaming and won’t run into EU “permanent roaming” tests. When staying put, switch to the local country plan (e.g., Esim Spain).

5) Avoid long‑term reliance on a single EU domestic plan
- If you don’t live there, the four‑month fair‑use pattern will likely catch up and add surcharges.

6) Leaving or arriving via the US/Canada?
- Bridge the gap with Esim North America or sort stateside coverage with Esim United States.

Worked examples

Student in France, 9 months, frequent trips
You take a French plan as your main line. You spend most days in France, with occasional weekends in Spain/Italy. You remain well within fair use. For a four‑week summer rail trip, you add Esim Western Europe for data and keep the French SIM for calls/SMS.
Nomad, 5 months, 5 countries
Month in Portugal, then Spain, France, Belgium, Netherlands. You use a regional plan for months 1–3. For months 4–5, because you’re stationary and need more data, you add Esim Spain and Esim France during those longer stays. No EU domestic fair‑use checks apply to your regional eSIM; the country eSIMs are priced for local use when you’re settled.
US visitor, 2 months in Italy with side trips
You keep your US number active for banking but avoid pricey long‑term roaming on your domestic US plan. You install Esim Italy for the base month and add a short regional top‑up for a two‑week loop through neighbouring countries.

Pro tips to stay compliant and connected

Track days and data: set a calendar reminder every time you cross a border and use your phone’s data counter per SIM.
Respect SMS warnings: they are your early‑warning system before surcharges.
Prefer Wi‑Fi calling and messaging apps for cross‑border calls.
Use hotspot sparingly if your plan restricts tethering.
Check country exceptions on Destinations before visiting microstates or non‑EU neighbours.
Business travellers: corporate pools can smooth roaming costs—see For Business or partner with us via the Partner Hub.

FAQ

Q1: Does the Schengen 90/180‑day rule limit my mobile usage?
A: No. 90/180 is immigration. EU telecom fair use is separate. You could be within your visa limit yet still trigger a roaming fair‑use surcharge—or vice versa.

Q2: How long can I roam on an EU domestic plan before fair‑use kicks in?
A: Operators check at least a four‑month window. If, in that period, you spend more time and use more data abroad than at home, they can warn you and later add regulated surcharges.

Q3: I have an “unlimited” EU plan. Is roaming unlimited too?
A: Not necessarily. Operators can set a specific fair‑use roaming data cap for unlimited/low‑cost plans and must tell you the allowance and any surcharge once you hit it.

Q4: Do regional travel eSIMs have fair‑use limits?
A: They’re built for roaming, so the EU “home vs abroad” test doesn’t apply. You’re bound by the plan’s validity and data bucket, plus any reasonable‑use terms (e.g., hotspot limits). For multi‑country trips, see Esim Western Europe.

Q5: If I buy a French SIM, can I spend the summer in Italy on it?
A: Yes, but extended, heavier use outside France could trigger the four‑month fair‑use test. For a long Italy stay, switch to Esim Italy or add a regional eSIM for the travel leg.

Q6: I’m a US traveller. Should I rely on my US plan’s roaming?
A: For short trips, maybe. For long stays, many US plans throttle or cap roaming after a few weeks. It’s usually better value to keep your US number for SMS and run EU data on a regional or country eSIM. Start here: Esim United States and Esim Western Europe.

Next step

Plan your route, pick your coverage: explore country and regional options on Esim Western Europe, then check country specifics via Destinations.

Read more blogs

Andes Highlights (3 Weeks): Peru–Bolivia–Chile–Argentina Connectivity

Planning a south america itinerary 3 weeks through the high Andes? This route stitches together Peru’s Sacred Valley, Bolivia’s La Paz and Salar de Uyuni, Chile’s Atacama Desert, and northern Argentina’s quebradas or Mendoza wine country—often by long-distance bus and a couple of short flights. Connectivity is different at altitude: coverage is strong in cities but drops in high passes and salt flats; bus Wi‑Fi is patchy; border towns can be blackspots. The smart move is an eSIM with multi‑country coverage, backed by offline maps, offline translations, and a simple routine for crossing borders by bus without losing service. Below you’ll find a practical, connectivity-first itinerary; checklists to prep your phone, apps and documents; and on-the-ground tips for staying online where it matters: booking transport, hailing taxis, backing up photos, and navigating when the signal disappears.If you’re transiting via Europe or North America, you can also add a layover eSIM to stay connected door-to-door. Start with our country list on Destinations, then follow the steps, and you won’t waste time chasing SIM shops at 3,500 metres.The 3‑week Andes route at a glanceWeek 1: Peru (Cusco, Sacred Valley, Machu Picchu) - Fly into Cusco (or Lima then connect). - Base in Cusco; day trips to Pisac/Chinchero/Maras–Moray. - Train to Aguas Calientes; Machu Picchu visit; return to Cusco or continue to Puno/Lake Titicaca.Week 2: Bolivia and Chile (La Paz, Uyuni, San Pedro de Atacama) - Bus/collectivo via Copacabana to La Paz. - Fly or overnight bus to Uyuni. - 3‑day Uyuni–altiplano tour ending in San Pedro de Atacama (Chile).Week 3: Chile and Argentina (Atacama to Salta or Mendoza/Buenos Aires) - Choose: - North: San Pedro to Salta/Jujuy by bus; fly to Buenos Aires. - Or South: San Pedro–Calama flight to Santiago; bus or flight to Mendoza; onward to Buenos Aires.Connectivity notes (quick): - Cities: generally strong 4G/4G+; 5G in major hubs (Santiago, Buenos Aires). - Altitude/rural: expect long no‑signal stretches (Uyuni, altiplano passes, Paso Jama). - Bus Wi‑Fi: often advertised, rarely reliable. Plan to be offline onboard. - Border regions: networks switch; a multi‑country eSIM avoids sudden loss.eSIM vs local SIMs for a 4‑country tripFor a route with multiple borders and remote legs, eSIM wins on time and reliability.What a multi‑country eSIM gets you: - One plan across Peru, Bolivia, Chile, Argentina (check coverage per country on Destinations). - No passport/SIM registration queues at kiosks. - Keep your home number active on the physical SIM for calls/SMS codes. - Instant top‑ups if you burn data on photos or navigation.When a local SIM still helps: - Long stay in one country with heavy data use (e.g., a month in Buenos Aires). - Dead zones where a different local network performs better (rarely worth the hassle on a 3‑week pace).Practical approach: - Use an eSIM as your primary data line across all four countries. - If you find a specific local network far better in one region, add a cheap local SIM and keep the eSIM as backup.Device readiness checklist (before you fly)1) Check eSIM compatibility and SIM‑lock status on your phone.2) Buy and install your eSIM while on home Wi‑Fi. Keep a PDF/printed copy of the QR code.3) Label lines clearly (e.g., “eSIM Andes Data”, “Home SIM”).4) Turn on data roaming for the eSIM; leave roaming off for your home SIM to avoid charges.5) Set up dual‑SIM rules: data on eSIM; calls/SMS default to home SIM if needed.6) Download offline: Google Maps/Organic Maps for all target regions; language packs (Spanish at minimum); bus/air tickets; hotel confirmations.7) Cloud backups: set to upload on Wi‑Fi only; pre‑create shared albums for travel companions.8) Test tethering/hotspot with your laptop/tablet.If you’re transiting popular hubs, consider a short layover eSIM: - USA connections: add an Esim United States or a broader Esim North America.- Europe connections: Madrid/Barcelona? Use an Esim Spain. Paris or Rome? See Esim France and Esim Italy. Multi‑country layovers? Try Esim Western Europe.City‑by‑city connectivity notesCusco & the Sacred Valley (Peru)Coverage: Good in Cusco city; variable in high villages (Maras/Moray) and along Inca Trail approaches.Tips: Download Sacred Valley maps offline; pin viewpoints and ruins. most taxis use WhatsApp—save your accommodation’s number.Machu Picchu/Aguas Calientes: Patchy to none at the citadel. Upload your photos later; don’t rely on live ticket retrieval.Lake Titicaca: Puno and CopacabanaPuno: Reasonable 4G; bus terminals crowded—screenshot QR tickets.Crossing to Copacabana: Expect a signal drop around the border; have directions saved offline.La Paz (Bolivia)Good urban 4G; the cable car network has decent signal but tunnels do not.Yungas/“Death Road” tours: Mountain valleys cause dead zones—share your emergency contacts with the operator, carry a charged power bank, and don’t plan remote calls.Uyuni and the Altiplano (Bolivia to Chile)Uyuni town: OK 4G; ATMs finicky—use Wi‑Fi for banking apps.Salt flats/lagunas: Assume offline for most of the 3‑day tour. Guides often carry satellite phones; agree a pickup time/place in San Pedro and preload your map route.San Pedro de Atacama (Chile)Town: Solid 4G; accommodations often have Wi‑Fi but speeds vary.Geysers, Valle de la Luna: Offline navigation essential; sunrise trips start before mobile networks wake up in some areas.Salta/Jujuy or Mendoza/Buenos Aires (Argentina)Salta/Jujuy: Good city coverage; quebradas have long no‑signal sections.Mendoza: City 4G/5G; vineyards outside town can be patchy.Buenos Aires: Strong 4G/5G; ideal for cloud backups and large downloads before you fly home.Border crossings by bus: step‑by‑stepThe big ones on this route: Peru–Bolivia (Puno/Copacabana), Bolivia–Chile (Uyuni–San Pedro via Hito Cajón), Chile–Argentina (Paso Jama to Salta or Los Libertadores to Mendoza).How to keep service and sanity:1) The day before:- Top up your eSIM data.- Confirm your plan includes both countries you’re entering/leaving.- Download offline maps for both sides of the border and your town of arrival.- Save bus company WhatsApp and terminal address offline.2) On departure morning:- Keep a paper copy or offline PDF of tickets, insurance, and accommodation proof.- Charge phone and power bank; pack a short cable in your daypack.3) On the bus:- Don’t count on bus Wi‑Fi. Keep your eSIM as primary, but expect drops near mountain passes.- If your phone supports it, enable “Wi‑Fi calling” for later when you reach accommodation Wi‑Fi.4) At the border posts:- Data may be unavailable. Keep QR codes and booking numbers offline.- After exiting one country and entering the next, toggle Airplane Mode off/on to re‑register on the new network.- If the eSIM doesn’t attach, manually select a network in Mobile Settings.5) Arrival:- Send your accommodation a quick WhatsApp when you’re back online.- Recheck your eSIM’s data roaming is on; confirm you’re on an in‑country network, not a weak roaming partner.Pro tips: - Dual profiles: If your eSIM allows, keep a secondary profile for a different network in the same country—helpful in border towns.- Cash buffer: Some border terminals don’t accept cards; download a currency converter for offline use.Offline survival kit (5‑minute setup)Maps: Download regions for Cusco, Sacred Valley, Puno, La Paz, Uyuni, San Pedro, Salta/Jujuy or Mendoza, and Buenos Aires.Translations: Download Spanish for offline use; add phrasebook favourites (bus tickets, directions, dietary needs).Documents: Save PDFs of passports, tickets, hotel addresses; star them for quick access.Rides: Screenshots of pickup points; pin bus terminals and hotel doors.Entertainment: Podcasts and playlists for long bus legs, set to download on Wi‑Fi only.Altitude and your tech: what changesCoverage gaps lengthen: Fewer towers at high altitude; valleys can block signal. Assume offline on remote excursions.Batteries drain faster in cold: Keep your phone warm and carry a power bank (10,000–20,000 mAh).Hotel Wi‑Fi may be congested: Schedule big uploads (photo backups, app updates) for big-city stays like Santiago or Buenos Aires.GPS still works offline: Your blue dot shows on offline maps without data—preload everything.Data budgeting for 3 weeksTypical traveller usage across this route: - Messaging/Maps/Bookings: 0.2–0.5 GB/day- Social and photo sharing: 0.3–0.7 GB/day- Occasional video calls/streaming: 0.5–1.0 GB/dayFor a mixed-use trip, plan 15–25 GB for 3 weeks. Heavy creators should double it and upload over hotel Wi‑Fi when possible. If you work remotely, consider a higher‑capacity plan and a backup eSIM; see our guidance on For Business.Practical route with transport and connectivity cuesDays 1–4 Cusco base: Strong city signal; day trips may be spotty—go offline-ready.Days 5–6 Machu Picchu: Expect no service at the ruins; sync tickets ahead.Days 7–8 Puno to La Paz via Copacabana: Border signal drop; re‑register networks after crossing.Days 9–11 Uyuni tour to San Pedro: Treat as offline; charge nightly; carry spare cables.Days 12–14 San Pedro: Stable in town; tours offline; top up data before Paso Jama.Days 15–17 Salta/Jujuy or Mendoza: Good urban 4G; rural patches are offline.Days 18–21 Buenos Aires: Strongest connectivity of the trip; clear your uploads and map downloads for the flight home.Partnering and stopover extrasHospitality and tour operators in the Andes: help your guests stay connected—explore co‑branded solutions via our Partner Hub.Transatlantic flyers: test your eSIM setup on a layover with an Esim United States or Esim Western Europe before hitting high-altitude blackspots.FAQs1) Do I need a local SIM in each country?No. A multi‑country eSIM covering Peru, Bolivia, Chile and Argentina is simpler and works well for a 3‑week pace. Consider a local SIM only if you’ll spend longer in one country and want the absolute best regional coverage.2) Will my WhatsApp number change with an eSIM?No. WhatsApp is tied to your registered number, not your data line. Keep your home SIM active for voice/SMS (roaming off if you wish), and use the eSIM for data—WhatsApp continues as normal.3) Can I hotspot to my laptop or camera?Yes. Enable tethering on your eSIM. Mind your data: cloud backups and OS updates can burn gigabytes—set them to Wi‑Fi only or schedule in big cities.4) What if there’s no signal on the Uyuni/Atacama legs?That’s expected. GPS still works offline. Pre-download maps and translations, carry a power bank, and sync plans with your tour operator before departure.5) Will I get roaming charges at borders?If you’re using a multi‑country eSIM with coverage in both countries, you won’t incur extra roaming fees from your home carrier. Keep roaming off on your home SIM to avoid accidental use.6) I’m connecting via Europe or the US—worth getting a layover eSIM?Yes. It’s an easy way to test your setup and stay reachable. Try Esim North America or country options like Esim Spain, Esim France, or Esim Italy for common hubs.Next step: Browse South America coverage options and build your plan on Destinations.

31 Oct 2025

eSIM Compatible Phones (Updated 2025): iPhone, Samsung, Pixel & More

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 EIDiPhone: 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” optioniPhone: Settings > Mobile Data > Add eSIM.Samsung: Settings > Connections > SIM manager > Add eSIM.Pixel/Android: Settings > Network & Internet > SIMs > + Add eSIM.Step 3: Update and unlockInstall the latest iOS/Android update.Ensure the phone is network unlocked for travel eSIMs.Step 4: Dual SIM expectationsMost 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 listModel 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 roadiPhoneBest 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.SamsungPowerful 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.PixelClean 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 gotchasNo “Add eSIM” optionUpdate software; reboot; check if the phone is carrier‑branded (some carriers hide the menu on mid‑range models).No EID foundYour device likely lacks eSIM hardware or the variant disables it.QR won’t scanEnter 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 arrivalConfirm the travel eSIM is set as the Mobile Data line and Data Roaming is on. Reboot once after network attach.Locked phoneTravel 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.FAQHow 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.

30 Oct 2025

Multi‑Network Smart Switching for Partners: SLA Uplift & Fewer Support Tickets

Modern travellers expect connectivity that “just works”, anywhere, anytime. For partners and wholesalers, that means delivering resilient mobile data that rides over multiple networks and quietly switches when conditions degrade. Multi‑network smart switching turns a single‑carrier promise into a carrier‑diverse service level, lifting uptime, lowering latency and slashing support noise when customers cross borders or move between urban and rural cells. This article explains how smart switching works, what uplift to expect in real numbers, and how to frame it in your sales deck. We’ll cover SLA design, implementation checklists, and practical measurement so you can prove more minutes of service delivered, fewer “no service” moments and faster apps. If you sell travel eSIM across regions such as Esim Western Europe and Esim North America, smart switching is the most efficient path to better SLAs and fewer escalations—without asking end users to fiddle with settings or swap profiles.What is multi‑network smart switching?Multi‑network smart switching is a policy‑driven capability embedded in the SIM/eSIM stack that selects the best available network at any moment, based on real‑time quality signals such as:Radio availability and signal qualityAttach success/failure and PDP/PDN session stabilityLatency to key targets (e.g., DNS, CDN edges)Packet loss and jitterCommercial rules (whitelists/blacklists, cost ceilings, fair use)Instead of pinning a device to a single carrier, your eSIM has access to multiple MNOs/MVNOs in each country. A lightweight policy engine monitors quality and triggers network reselection or profile steering if the current path degrades.For travellers, the experience is invisible: the device stays online as they move from, say, Paris to Barcelona (see Esim France and Esim Spain), or from New York to California (Esim United States). For partners, it’s the simplest way to add resilience and meet enterprise‑grade expectations across our Destinations.Why smart switching matters for SLAsQuantifying uptime upliftIf you rely on a single network with 99.0% monthly availability, that’s about 7 hours and 18 minutes of downtime per month. With access to two independent networks of similar quality, the combined availability approaches:Combined availability ≈ 1 − (1 − A1) × (1 − A2)Example with A1 = 0.990 and A2 = 0.990 → 1 − 0.01 × 0.01 = 99.99%Real‑world failures are not perfectly independent (storms, fibre cuts, or national outages can hit multiple networks), so a conservative planning assumption is:Single‑network monthly downtime: 200–450 minutes (varies by market granularity)Dual/triple‑network smart switching downtime: 5–30 minutesPractical uplift: 10× to 40× less downtime, translating into 99.95%–99.99% delivered availabilityEven a modest two‑network design with correlated risks typically lifts availability from 99.0–99.5% to 99.95%+. Across an active travel cohort, that’s hundreds of “saved” online minutes per 1,000 user‑days.Latency and app performanceChoosing the lowest‑latency path matters for cloud apps, maps and messaging. Smart switching prefers networks with:Local or regional breakout rather than home‑routed trafficHealthier peering to major CDNs and collaboration suitesLower radio congestion in the momentObserved results partners can expect:EU intra‑region p95 latency improvements of 20–40% when switching to a better‑peered MNO (e.g., from 120–160 ms to 70–110 ms)Within the US, p95 latency reductions of 15–30% by avoiding congested areas or leveraging a stronger regional carrier10–25% reduction in time‑to‑first‑byte for common mobile web flowsFor many travel use cases, perceived speed is as valuable as raw throughput. Lower p95 latency (not just averages) is what keeps video calls and maps usable.Support ticket reductionMost travel connectivity tickets cluster into a few buckets:No service / can’t attach“Data is slow”Intermittent dropsAPN/profile confusionSmart switching prevents the first three by auto‑moving away from bad cells, degraded cores or poorly performing peering. Typical reductions once deployed:30–50% fewer “no service” tickets20–35% fewer “slow data” tickets40–60% drop in intermittent dropouts, especially at cell edges and transit hubsFewer incidents means lower support cost per account and happier travellers—reflected in higher CSAT/NPS.How smart switching works in practiceMulti‑MNO access per country: eSIM profiles grant access to multiple carriers in markets covered by products such as Esim Western Europe, Esim North America, and country packs like Esim Italy.Policy‑based steering: The eSIM stack and partner platform set preferred/forbidden networks and thresholds for switching (e.g., persistent packet loss, repeated attach failures, or sustained high latency).Fast, graceful failover: Devices usually reselect within seconds when a better cell is available; full context rebuild may take longer when moving between cores. End users typically experience a brief blip rather than an outage.Compliance‑aware: Partners can restrict selection to specific networks for regulatory or contractual reasons, while still maintaining diversity where permitted.Note: switching behaviour can vary by device OS and modem firmware. Always include device diversity in your test plan.Designing a multi network switching SLAA robust multi network switching SLA should define:Coverage scope: Countries/regions and included technologies (4G/5G NSA/SA; 2G fallback where applicable).Availability target: e.g., 99.95% monthly at the service edge (successful data session and reachability to defined targets).Latency: p95 thresholds to strategic targets (e.g., 100 ms within region), plus packet loss/jitter bounds.Attach success: e.g., >99.8% attach success within three attempts.Time‑to‑recover: e.g., recovery within 60 seconds from RAN loss where another network is available.Maintenance windows: whether counted or excluded.Measurement method: synthetic probes, device telemetry, or both; time‑zone and aggregation rules.Credits/remedies: aligned to impact, not just percentage figures.Practical baseline examples to include in proposals:Expected availability: 99.95–99.99% across Tier‑1 markets; 99.9–99.95% in challenging geographies.p95 latency targets: 70–110 ms in Western Europe; 60–120 ms across the United States; 90–140 ms cross‑border in North America.Typical downtime minutes avoided vs. single‑network: 150–400 minutes per month saved at scale.Caveat: When multiple carriers share common infrastructure (e.g., the same backhaul or data centre), failures may correlate. Build safety margins into your SLA targets and document assumptions.Implementation checklist for partners1) Select the right products and footprint - Map travel routes against our Destinations. - Choose regional packs where roaming density is high, like Esim Western Europe. - For US‑heavy travel, include Esim United States and broader Esim North America.2) Define policy and constraints - Whitelist preferred networks per country; blacklist known weak cells where needed. - Set switching thresholds (attach retries, packet loss %, p95 latency ceilings). - Add compliance rules (e.g., force domestic breakout for specific roles).3) Prepare devices - Validate APN and OS versions; ensure eSIM installation flow is clear. - Test both iOS and Android, including dual‑SIM scenarios.4) Run a structured field test - Build a route‑based test matrix (airports, transit, hotels, rural). - Collect p95 latency, packet loss, attach success, and time‑to‑failover.5) Operationalise monitoring - Set up synthetic probes in key cities (e.g., Paris, Milan, Madrid, New York). - Alert on threshold breaches and trigger automated steering adjustments.6) Update support playbooks - Replace “toggle airplane mode” scripts with “smart switching check” steps. - Categorise tickets to isolate improvements in the first 60 days.7) Close the SLA loop - Publish monthly reports with uptime minutes delivered, p95 latency, and ticket volume changes. - Share before/after comparisons with enterprise customers.Pro tip: Keep policy simple to start. Two‑tier thresholds (degradation and failover) often outperform complex rule stacks and are easier to explain in an SLA.Measuring outcomes: before/after that executives understandTrack and report the metrics that translate to traveller experience and support load:Downtime minutes per 1,000 user‑daysp95 latency by country and by hour of dayAttach success rate and PDP/PDN drop rateTime‑to‑failover when quality degradesTicket volumes by category and severityCSAT/NPS for connectivity over timeBenchmarks seen after rollout:Downtime per 10,000 user‑days: from 500+ minutes down to 50–150 minutesp95 latency: 20–40% reduction in Western Europe and 15–30% across the USAttach failure rate: 25–50% reductionSupport tickets: 35–55% reduction overall; first‑response times down by 20–30%These results form the backbone of your SLA narrative and your sales proof points.How to position smart switching in your sales deckStructure your pitch around outcomes, not internals:Headline: “Always‑on travel connectivity with carrier diversity. 99.95%+ delivered availability. Auto‑failover in seconds.”Visual: Route map with overlapping carrier coverage; a call‑out of “no single‑carrier dependency”.Benefits slide:10–40× fewer downtime minutes vs. single‑network roaming20–40% lower p95 latency in key markets35–55% fewer support ticketsZero user action required; seamless device experienceProof points:Before/after metrics from a pilot on Esim Western EuropeUS results from Esim United StatesSLA summary: Clear targets for availability, latency, time‑to‑recover, and measurement approachBuyer‑friendly close: “Start with a 60‑day pilot, monitored and co‑managed.”Pro tip: Put p95 latency on the same slide as collaboration app performance (e.g., “Teams/Meet calls stay stable at p95 < 110 ms”). Stakeholders can connect the dots instantly.Where smart switching helps mostFrequent‑traveller teams moving between EU countries (Paris–Milan–Barcelona) with Esim France, Esim Italy and Esim SpainUS‑centric road warriors relying on robust coverage across states with Esim North AmericaPop‑up retail and events that cannot tolerate single‑cell congestionField service in rural areas where one network often outperforms othersCritical apps that are latency‑sensitive (payments, UCaaS, live translation)Pro tips for smooth operationsKeep the APN consistent across products to simplify device setup and MDM policies.Monitor p95, not just averages. It’s where user pain lives.Maintain a minimal “known good networks” list per country and review quarterly.Educate users that brief blips can occur during switching; the system is protecting them from longer outages.Use synthetic probes near airports and train stations—congestion there is a leading indicator for broader issues.FAQQ: How is smart switching different from traditional roaming steering?A: Traditional steering prioritises a preferred roaming partner for commercial reasons. Smart switching prioritises real‑time quality and resilience, moving between multiple networks to protect the user experience and SLA.Q: Will frequent switching drain battery?A: Properly tuned policies avoid flapping. Devices remain attached until quality falls below thresholds, then reselect. In practice, battery impact is negligible compared to the gains from avoiding repeated manual toggling or stalled apps.Q: Does the IP address change when the device switches?A: It can. Moving to a different core or breakout may change IP. For most travel use cases that’s fine. If you require session persistence, design app logic to handle IP changes or pin traffic via a corporate VPN.Q: Can we restrict networks for compliance or cost?A: Yes. You can whitelist/blacklist networks per country while preserving diversity within the allowed set. Document these constraints in the SLA so expectations remain clear.Q: What happens in areas with limited technology (e.g., only 4G available)?A: Smart switching still helps by selecting the strongest available 4G cell and the best‑performing core. Where 5G is present, policies can prefer 5G where it improves latency and stability.Q: How does this work across regions like Western Europe and North America?A: Regional eSIMs such as Esim Western Europe and Esim North America include multi‑MNO access in each country, enabling the same smart switching behaviour as you cross borders.The partner advantageMulti‑network smart switching converts a roaming product into a resilient service with measurable SLA uplift. It protects travellers from localised outages, evening congestion and poor peering, while reducing your support burden. With clear SLA targets, a simple policy, and disciplined measurement, you can prove value fast—and price accordingly.Next step: Explore packaging, SLAs and co‑marketing materials in our Partner Hub. If you’d like to discuss enterprise rollouts, visit For Business.

30 Oct 2025