Backpacking Southeast Asia (1 Month): Thailand–Laos–Vietnam–Cambodia

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Backpacking Southeast Asia (1 Month): ...

Backpacking Southeast Asia (1 Month): Thailand–Laos–Vietnam–Cambodia

30 Oct 2025

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Backpacking Southeast Asia (1 Month): Thailand–Laos–Vietnam–Cambodia

Planning a southeast asia itinerary 1 month? This classic loop—Thailand, Laos, Vietnam, Cambodia—packs temples, mountains, river life and coast into four weeks, with practical overland links and plenty of night buses/trains to save time and money. This guide focuses on what most travellers wish they’d known earlier: which borders are smoothest, how to stay connected with a single eSIM (or smart swaps), where networks drop out, and how to keep data usage lean. Expect bang-for-buck street food, world-class heritage sites, and enough flexibility to chase a sunny forecast or a new friend’s tip. You’ll average 2–4 nights per stop, mix day sightseeing with overnight moves, and finish with Angkor Wat. Use this as a backbone, then tune the pace to your style. For country-specific eSIMs and regional coverage, start with Simology’s live availability on Destinations. If you’re continuing to Europe or the Americas afterwards, we’ve added onward connectivity tips too.

The 30‑Day Route at a Glance

A fast-but-feasible blueprint, optimised for overland travel and connectivity.

  1. Days 1–3: Bangkok - Grand Palace, street food, canals. Optional day trip to Ayutthaya. - Night train or sleeper bus north.
  2. Days 4–6: Chiang Mai - Old City, Doi Suthep, cooking class. Consider a day to Pai if you don’t mind the windy road.
  3. Day 7: Chiang Rai → Chiang Khong - White/Blue/Black Temples (quick tour), then bus to Chiang Khong (Thai–Laos border).
  4. Days 8–9: Chiang Khong → Huay Xai (Laos) → Slow Boat to Luang Prabang - Two-day Mekong slow boat via Pak Beng (overnight).
  5. Days 10–12: Luang Prabang - Kuang Si Falls, night market, alms-giving (respectfully).
  6. Days 13–14: Vang Vieng - Karst views, blue lagoons. Good 4G; patchy in valleys.
  7. Day 15: Vientiane - Buddha Park, cafés. Night bus to Vietnam.
  8. Days 16–18: Hanoi (+ Ninh Binh day trip) - Old Quarter, street food tour. Optional Ha Long Bay overnight.
  9. Day 19: Night train to Hue - Day 20 in Hue (Imperial City), afternoon train over Hai Van Pass to Da Nang, then on to Hoi An.
  10. Days 21–22: Hoi An
    • Lanterns, tailor-made clothing, An Bang beach.
  11. Day 23: Fly or night bus to Ho Chi Minh City (HCMC)
  12. Days 24–25: HCMC
    • War Remnants Museum, Cu Chi tunnels.
  13. Day 26: Bus HCMC → Phnom Penh (Cambodia)
  14. Day 27: Phnom Penh
    • S21, Killing Fields (hard but important).
  15. Days 28–29: Siem Reap
    • Angkor Wat sunrise, Bayon, Ta Prohm.
  16. Day 30: Depart Siem Reap (or bus/fly to Bangkok).

Pro tip: - Use night moves Bangkok→Chiang Mai, Vientiane→Hanoi, Hanoi→Hue, Hoi An→HCMC, HCMC→Phnom Penh to reclaim daylight for sightseeing.

Connectivity by Country (eSIMs, Coverage, and What to Expect)

Set up a regional Southeast Asia eSIM for simplicity, or swap country eSIMs for best local rates. Confirm compatibility and plans on Destinations.

Thailand (Bangkok, North, Border at Chiang Khong)

  • Networks: AIS, TrueMove H, DTAC. Strong 4G/5G in cities; good along major rail/highways. Rural pockets in the mountains may drop to 3G/EDGE.
  • Data notes: Streaming and tethering are fine in cities. Night trains often have patchy coverage in central segments; buses do better on highways.
  • Tip: Install your Thailand eSIM before landing, toggle “Data Roaming” off until you land, then verify APN auto-fills.

Laos (Huay Xai, Slow Boat, Luang Prabang, Vang Vieng, Vientiane)

  • Networks: Unitel (best coverage), Lao Telecom, ETL. Expect 3G/4G in towns; Mekong stretches and valleys can be offline for hours.
  • Data notes: Download offline maps (town areas) and transport tickets; connectivity on the slow boat is intermittent to non-existent.

Vietnam (Hanoi to HCMC via Hue, Da Nang, Hoi An)

  • Networks: Viettel (widest), Vinaphone, Mobifone. Robust 4G nationwide; 5G live in major cities (Hanoi, HCMC, Da Nang).
  • Data notes: Trains run near the coast with generally good 4G. Night buses vary; city sections strong, rural gaps possible.

Cambodia (Phnom Penh, Siem Reap)

  • Networks: Smart, Metfone, Cellcard. 4G reliable in cities; rural temples may fall back to 3G.
  • Data notes: Bus corridors (HCMC–Phnom Penh–Siem Reap) are mostly covered; border zones can dip.

Connectivity rule of thumb: - Cities and main intercity routes: good-to-excellent 4G. - Borders, mountains, and boats: plan for dead zones. Queue downloads before you leave Wi‑Fi.

Border Crossings: Smoothest Options and Step‑by‑Step

Always check current entry rules on official sites before travel.

Thailand → Laos (Chiang Khong → Huay Xai, Friendship Bridge IV)

  1. Bus from Chiang Rai to Chiang Khong; tuk-tuk to Thai border.
  2. Thai exit stamp; buy shuttle ticket across the bridge.
  3. Laos arrival at Huay Xai: eVisa or visa on arrival for eligible nationalities. Pay fee in USD or local currency (ATMs available).
  4. Collect passport, walk to the minivan stand for Huay Xai pier/accommodation.

Connectivity tips: - Thai networks fade at the bridge; Laos signal kicks in after immigration. - If using a regional eSIM, toggle roaming on after Laos entry. If using a Laos-only eSIM, install/activate while on Thai Wi‑Fi the night before. - Download boat ticket QR and offline maps; no signal on much of the Mekong.

Laos → Vietnam (Vientiane → Hanoi via Nam Phao/Cau Treo)

  1. Book a reputable sleeper bus (ask for a seat/berth number, not “free seating”).
  2. Prepare passport photos and cash for fees as required.
  3. Night departure; pre‑dawn border. Expect luggage scans and short walks between posts.
  4. Continue to Vinh or Hanoi; arrival times vary by traffic.

Connectivity tips: - Border zone coverage is thin; keep documents saved offline. - Regional eSIMs usually roam seamlessly; if swapping to a Vietnam eSIM, install ahead of time and switch data line after Vietnam entry.

Alternative: Luang Prabang → Dien Bien Phu → Hanoi via Tay Trang. More scenic, slower, fewer services.

Vietnam → Cambodia (HCMC → Phnom Penh via Moc Bai/Bavet)

  1. Book a bus with door‑to‑door processing (they’ll collect passports for exit/entry administration—confirm your comfort level).
  2. Vietnam exit at Moc Bai, short walk or bus to Bavet (Cambodia entry).
  3. Cambodian eVisa can speed things up. Carry passport photos just in case.
  4. Continue to Phnom Penh; some buses include a lunch stop with Wi‑Fi.

Connectivity tips: - Expect a brief data blackout right at the boundary. - Switch your data line to a regional/Cambodia eSIM once stamped in; test data before leaving the border area.

Night Buses and Trains: Staying Online and Sane

  • Expect USB ports on newer buses; bring a 10,000–20,000 mAh power bank for older fleets.
  • Coach Wi‑Fi is hit-and-miss; mobile data is more reliable on highways.
  • On Vietnamese trains, coverage is decent near towns; download shows/playlists offline.
  • Keep your device on silent and wear a money belt; store phone/cables within reach.
  • Set a mobile data limit and low-power mode overnight.

Pro tip: - Pre‑pin your arrival accommodation on offline maps and screenshot directions in case your driver drops you a few blocks away.

Data‑Saver Tactics That Actually Work

  • Turn on system “Data Saver” and per‑app background limits.
  • Disable auto‑updates; allow only on Wi‑Fi.
  • Download offline maps for all major stops (Google Maps/Maps.me).
  • Pre‑download translations (Google Translate offline packs).
  • Stream at 480p; cache music/podcasts on Wi‑Fi.
  • Use lightweight chat apps; set photos to “low quality” auto‑upload only on Wi‑Fi.
  • Compress and batch‑upload photos when you have hostel Wi‑Fi.

Quick How‑To: Set Up Your eSIM Before You Fly

  1. Check your phone’s eSIM compatibility and OS updates.
  2. Buy a regional Southeast Asia eSIM or individual country eSIMs on Destinations.
  3. Install QR profiles over home Wi‑Fi; don’t activate data yet.
  4. Label lines clearly (e.g., “Regional SEA”, “Vietnam”).
  5. Set your home SIM to “calls/SMS only” and mobile data to the eSIM.
  6. On landing in each country, toggle the correct eSIM on, ensure APN auto‑configures, and test with a quick speed check.

Pro tip: - Keep QR codes and plan details saved offline in your notes app.

Budgeting for Data

  • Thailand: affordable, fast data; 10–20 GB plans are common.
  • Laos: smaller data buckets; top up more often if streaming.
  • Vietnam: excellent value; generous data at low cost.
  • Cambodia: mid‑range pricing; solid city speeds.

If you’re sharing with a partner, hotspot carefully and monitor per‑device usage. For teams or digital nomads moving together, Simology’s pooled and centrally managed options on For Business can simplify budgeting and control.

Packing Checklist: Connectivity Edition

  • Unlocked eSIM‑compatible phone (dual‑SIM helps).
  • Power bank (10–20k mAh) and fast charger.
  • Multi‑plug universal adapter (Type A/C/G are common across this route).
  • Short USB‑C/Lightning cables for cramped seats.
  • Small extension cord or multi‑USB hub.
  • Offline copies of ID, tickets, insurance, and key addresses.

Onward Travel? Stack Your eSIMs

Finishing in Siem Reap and flying west? - Europe: Use a single regional plan like Esim Western Europe, or country options such as Esim France, Esim Italy or Esim Spain if you’re city‑hopping. - North America: Cover the US/Canada/Mexico with Esim North America; for US‑only trips, see Esim United States.

Travel businesses, hostels and tour operators can offer guest connectivity via Simology’s Partner Hub.

FAQs

1) Is one regional eSIM enough for this entire route? - Usually, yes. A regional Southeast Asia eSIM simplifies border days. If you need the very best rates/speeds in a specific country (e.g., Vietnam), add a local eSIM for that leg and switch the data line on arrival.

2) Will I have signal on the slow boat and night buses? - Expect long dead zones on the Mekong slow boat and patchy stretches overnight in rural Laos/Vietnam. Download essentials and set expectations; cities and highways are fine.

3) How do I avoid surprise data charges at borders? - Turn off data roaming before you reach a border. Once stamped in, toggle the correct eSIM/data line and verify the APN. Use a data cap/usage alert.

4) Is 5G available across this itinerary? - Thailand and Vietnam offer 5G in major cities; Cambodia is expanding; Laos is largely 4G. 4G is sufficient for calls, maps and social.

5) Can I keep my home number for banking codes while using an eSIM? - Yes. Leave your physical/home SIM active for SMS/calls (disable its mobile data), and set the eSIM as your data line.

6) What’s the safest overnight transport choice for my phone and data? - Trains are steadier and offer more predictable charging; buses are faster point‑to‑point. In both cases, keep devices on you, use a power bank, and lock your SIM settings.

Pro Tips Recap

  • Buy/install eSIMs before you fly; label lines clearly.
  • Batch your night moves to win daytime.
  • Cross at traveller‑friendly borders: Chiang Khong/Huay Xai, Moc Bai/Bavet.
  • Keep QR tickets, visas, and hotel addresses offline.
  • Use Data Saver and download maps/translations per city.

Next step: Choose your country or regional eSIMs for this route on Simology’s live Destinations page and install them before you fly.

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

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
Holiday Travel Promo: Family Packs with Shared Data

Holiday Travel Promo: Family Packs with Shared Data

This holiday season we’re introducing family eSIM deals designed for real-world travel: shared data, simpler management, and clear costs. Our Family Packs let 2–5 travellers share one data pool across multiple eSIM lines in the same region, with per-person caps and pause/resume controls so you never blow the budget. It’s built for parents who want oversight without micro-managing, and for groups who’d rather spend time exploring than hunting for Wi‑Fi.Choose a destination or region, invite your family members, and manage everyone in one place. Pricing scales fairly as you add lines, and top-ups take seconds if you need extra GB. The promo runs through the peak holiday period with flexible activation into early 2026. Coverage spans the most popular destinations including the US, Europe, and North America. Keep your usual number for calls and messages; use the eSIM for fast local data. Read on for dates, pricing examples, set-up steps, and smart parental control tips.What’s included in the Family Pack2–5 eSIM lines under one pack, sharing a single data poolPer-line data caps, usage alerts, and pause/resume controlsRegion-optimised networks with 4G/5G where availableHotspot/tethering supported on most networks (admin can disable)Instant top-ups that apply to the shared poolOne checkout; one receipt; one place to manage the tripPro tip: - Install the eSIMs at home over Wi‑Fi before you fly. Activate data when you land to preserve validity.Promo eligibility and key datesBooking window: 1 November 2025 – 31 January 2026Activation window: activate any time up to 31 March 2026Who qualifies: families or groups travelling together (2–5 lines per pack)Regions: United States, single-country Europe (France, Italy, Spain), Western Europe multi-country, and North America bundlesPayment: major cards and digital walletsFair use: speeds and hotspot support may vary by network and device; coverage depends on local operatorsCheck coverage and supported locations on Destinations.Pricing examples for 2–5 linesThe Family Pack uses a simple model: a region-specific base pack includes data for two lines, then you add extra lines for a small per-line fee. You can top up the shared pool if you need more.Note: All prices are promotional and may vary by tax and currency. Examples assume standard validity windows.United States family eSIM dealsA practical option if you’re road-tripping or visiting multiple cities. See regional details on Esim United States.Base pack (2 lines): 20 GB, 15 days — USD $29Extra line (each, up to 3 more): USD $8Top-up: +10 GB — USD $10Examples: - 2 lines: $29 total (20 GB shared)- 3 lines: $37 total (20 GB shared)- 4 lines: $45 total (20 GB shared)- 5 lines: $53 total (20 GB shared)Need more GB? Add +10 GB for $10 at any time. Top-ups instantly expand the shared pool for everyone.Western Europe multi-countryIdeal for multi-city rail trips. Coverage across popular destinations—see Esim Western Europe.Base pack (2 lines): 30 GB, 14 days — EUR €39Extra line (each, up to 3 more): €9Top-up: +10 GB — €12Examples: - 2 lines: €39 total (30 GB shared)- 3 lines: €48 total (30 GB shared)- 4 lines: €57 total (30 GB shared)- 5 lines: €66 total (30 GB shared)North America (US + Canada + Mexico)Best for cross-border holidays. See coverage notes on Esim North America.Base pack (2 lines): 25 GB, 15 days — USD $39Extra line (each, up to 3 more): $9Top-up: +10 GB — $12Examples: - 2 lines: $39 total (25 GB shared)- 3 lines: $48 total (25 GB shared)- 4 lines: $57 total (25 GB shared)- 5 lines: $66 total (25 GB shared)Single-country Europe (France, Italy, Spain)City breaks or resort stays—single-country simplicity. Learn more: Esim France, Esim Italy, and Esim Spain.Base pack (2 lines): 15 GB, 10 days — EUR €19Extra line (each, up to 3 more): €6Top-up: +5 GB — €6Examples: - 2 lines: €19 total (15 GB shared)- 3 lines: €25 total (15 GB shared)- 4 lines: €31 total (15 GB shared)- 5 lines: €37 total (15 GB shared)Pro tips: - For photo-heavy travellers, start with the higher‑GB region packs or plan for one top-up mid-trip.- If your trip is longer, run back-to-back packs (e.g., two 14‑day Western Europe packs) to keep costs predictable.How shared data worksOne pool for the whole pack: All lines draw from the same GB allowance.Per-line caps: Set a per-person limit so one heavy user can’t drain the pool.Pause/resume: Temporarily pause an individual line (e.g., for bedtime or museum hours).Top-ups: Add GB to the same pool at promo rates, instantly.Validity: Each pack has a fixed validity per region. The clock starts when the first line in the pack activates data on‑network.Rollover: Unused GB do not roll over after expiry.Step-by-step: set up in minutes1) Choose your region- Browse Destinations. Pick the United States, Western Europe, North America, or a single-country pack.2) Build your Family Pack- Select the number of lines (2–5) and validity window. Add any expected top-ups now or later.3) Checkout- Pay once for the whole pack. You’ll receive QR codes and invite links for each member.4) Invite your family- Share each member’s QR code or invite link. They install their eSIM over Wi‑Fi in Settings.5) Activate on arrival- When you land, turn on the new eSIM’s data. The pack validity starts from the first line to go on‑network.6) Set controls- In the pack dashboard, set per-line caps and alerts. Pause a line any time and unpause with one tap.Parental controls that actually helpKeep kids connected for maps and messaging without runaway usage.Admin controls in the Simology pack: - Set a per-line data cap (e.g., 3 GB for each child).- Pause a line temporarily (e.g., at night).- Disable hotspot/tethering for specific lines if needed.- Turn off roaming for a child’s line after you return home.On-device tips: - iPhone (iOS): Settings > Mobile Data > select the travel plan > enable Low Data Mode; use Screen Time to limit high‑usage apps.- Android: Settings > Network & Internet > SIMs > select the travel eSIM > set Data Saver; set data warning/limit under Data usage.- Both: Disable background app refresh for photo backup apps until on hotel Wi‑Fi; keep automatic cloud photo sync off when roaming.Checklist for parents: - Install all eSIMs at home.- Set per-line caps before travel day.- Agree family rules: upload photos on hotel Wi‑Fi; maps/music are fine on cellular.- Show kids how to toggle Wi‑Fi Assist/Smart Network Switch off to avoid accidental cellular use.When to choose a Family Pack vs individual plansChoose a Family Pack when: - 2–5 travellers are on the same itinerary.- You want one shared pool with predictable costs and controls.- You prefer a single checkout and centralised management.Choose individual plans when: - Travellers are splitting up for different countries/lengths of stay.- One person needs significantly more data than the rest (consider a Family Pack plus one high‑GB individual plan).Planning a team offsite or school trip? Our business controls and consolidated billing may fit better—see For Business.Coverage and where it worksUnited States: Nationwide coverage with 4G/5G in major cities. See plan details on Esim United States.Western Europe: Designed for multi-country travel—check supported countries and fair use on Esim Western Europe.North America: US, Canada, Mexico in one pack—see Esim North America.Single-country Europe: Explore specifics for Esim France, Esim Italy, and Esim Spain.For everything else, browse Destinations to match your itinerary.Partners and travel plannersIf you’re a tour operator, creator, or agency wanting to bundle Family Packs into holiday packages, join our Partner Hub for referral tools and co‑branded materials.FAQs1) Which phones work with Family Packs?Any eSIM‑compatible iPhone or Android handset. Most recent iPhones (XS or newer) and many flagship/mid‑range Androids support eSIM. Each traveller needs an unlocked device.2) Can I mix iOS and Android in one pack?Yes. The shared pool and admin controls are platform‑agnostic.3) Can I add a line after purchase?Yes, up to a maximum of five lines per pack. New lines inherit the pack’s remaining validity and shared pool.4) What happens if we run out of data?Data stops when the shared pool reaches zero. Add a top‑up (e.g., +10 GB) in a few taps; it becomes available instantly.5) Do unused GB roll over or can I extend validity?Unused GB do not roll over. To extend your stay, either add another pack or schedule a second pack to start when the first ends.6) Will WhatsApp and iMessage keep my number?Yes. Your phone number stays tied to your primary SIM; the eSIM is for data. Apps like WhatsApp and iMessage continue to use your existing number.The small, useful printSpeeds depend on network conditions, device, and location. 5G is available in select areas.Hotspot is supported on most networks but may vary; you can disable it per line in the admin controls.Per-line caps help manage usage but won’t limit data consumed while a device is offline from reporting; allow a small buffer if you need a strict cap.Taxes may apply in some regions. Prices above show promotional examples and can change during the offer window.Next step: choose your region and build your Family Pack on Destinations.

30 Oct 2025
eSIM Profiles 101: SM‑DP+, LPA, EID & Activation Methods

eSIM Profiles 101: SM‑DP+, LPA, EID & Activation Methods

Travelling with an eSIM should be quick and painless, but the jargon around SM‑DP+, LPA and EID can make activation feel more complex than it really is. This guide demystifies the moving parts so you can install, recover or move your eSIM profile with confidence—whether you’re scanning a QR code at the airport or entering details manually on a long‑haul flight. We’ll compare activation methods (QR vs manual), explain where each code lives and what it does, walk through recovery steps if you delete or change phones, and share tips for transferring your plan to a new device. You’ll also find practical troubleshooting for common activation errors and a traveller‑ready checklist to avoid surprises abroad. If you’re heading to the USA, Europe or beyond, we’ve included links to regional plans so you can choose your coverage and get online fast.The building blocks: SM‑DP+, LPA and EID explainedIf you remember only one line from this article, make it this: the LPA on your phone uses your EID to fetch an eSIM profile from an SM‑DP+ server. That’s the whole “smdp+ eid esim” flow in a nutshell.SM‑DP+ (Subscription Manager – Data Preparation)Think of SM‑DP+ as the secure server where your eSIM profile is prepared and hosted.During manual activation, you enter the SM‑DP+ address and an activation code so your phone knows where to download from and which profile to fetch.This is usually embedded inside the QR code; manual entry is the back‑up when you can’t scan.LPA (Local Profile Assistant)The LPA is the software on your device (within iOS/Android) that manages eSIM tasks: downloading, installing, enabling, disabling and deleting profiles.When you scan a QR or enter details, the LPA talks to the SM‑DP+ server to securely download your profile.EID (eUICC Identifier)The EID uniquely identifies your phone’s eSIM chip (like a serial number for the eUICC).Providers sometimes need your EID to push a profile or to re‑enable a download.Where to find it:iPhone: Settings > General > About > EIDPixel/Android: Settings > About phone > Status (or SIMs/eSIM details) > EIDSamsung: Settings > Connections > SIM manager > eSIM > EIDPro tip: Note your EID before you travel. If something goes wrong mid‑journey, support can help faster.Activation methods compared: QR vs manual vs carrier appMost travellers activate by scanning a QR code, but manual entry of SM‑DP+ + activation code is a robust fallback. Some devices and providers also support app‑based activation.Method 1: QR code (fastest for most travellers)What you need: Stable Wi‑Fi (recommended), the printed/digital QR, and your device unlocked.iPhone (iOS 17+): 1. Settings > Mobile Data/Cellular > Add eSIM 2. Tap Use QR Code and scan 3. Follow prompts to label the line and set default for dataAndroid (Pixel): 1. Settings > Network & Internet > SIMs > + Add SIM > Download a SIM instead 2. Scan the QR and confirmSamsung (One UI 6): 1. Settings > Connections > SIM manager > Add eSIM 2. Scan the QR and installPro tips: - Install over Wi‑Fi before you fly to avoid airport Wi‑Fi congestion. - If the camera refuses to scan, increase screen brightness or use manual entry.Method 2: Manual SM‑DP+ + activation codeWhat you need: The SM‑DP+ server address and an activation code (sometimes a confirmation code too).iPhone: 1. Settings > Mobile Data/Cellular > Add eSIM 2. Tap Enter Details Manually 3. Enter SM‑DP+ address and activation code; add confirmation code if requestedAndroid: 1. Go to Add eSIM (as above) 2. Choose Enter activation code or Enter details manually 3. Enter SM‑DP+ address and activation codePro tips: - If you see “No valid SM‑DP+” check for typos, hidden spaces or dashes. - Keep the activation email/PDF offline. Airplane mode plus Wi‑Fi is fine; you don’t need a physical SIM to install an eSIM.Method 3: Carrier or device appSome providers push profiles directly via their app; iPhone also supports “Convert to eSIM” and “eSIM Quick Transfer”.App‑based activations may not work if your device is region‑locked or the app geo‑restricts downloads.When you can’t scan: manual activation that just worksQR codes package the SM‑DP+ address and activation code into one scannable square. If the code is blurry, printed too small, or you’re viewing it on the same device you’re activating, use manual entry.Checklist for reliable manual activation: - Wi‑Fi connected and stable - Correct SM‑DP+ server address (copy/paste carefully) - Activation code exactly as given (case sensitive in some systems) - If asked for a “confirmation code” or “SMDP+ activation code”, that’s the same field as activation code for many providers - Time/date set automatically on your phone (TLS handshakes can fail if your clock is wrong)If you still can’t download, capture a screenshot of the error and share your EID with support. Most providers can trace the server attempt by EID and time stamp.Recovery after deletion or SIM swap: what to expectDeleting a profile or moving phones doesn’t always mean it’s gone for good. Your options depend on the provider’s policy and whether the plan has already been consumed.Common scenarios and recovery steps: - You deleted the eSIM before travelling: - Many plans can be re‑downloaded to the same device. Contact support with your EID and order reference. - You changed phones: - If the provider supports re‑download to a new EID, they’ll usually ask for the new device’s EID. Some plans are single‑use only. - You reset your phone: - iCloud/Google backups do not include the eSIM profile itself. You’ll need to re‑download or transfer it. - Your QR expired: - Ask for fresh SM‑DP+ credentials. Some providers time‑box activation links.Traveller tip: Don’t delete an eSIM until you’re certain you no longer need it (e.g., number transfer complete, data fully used, or plan expired).Moving your eSIM to a new phoneNot all providers support transfers, but when they do, these are the cleanest paths.iPhone to iPhone: eSIM Quick Transfer (best case)Requirements: iOS 16+, both devices nearby, Bluetooth/Wi‑Fi on, same Apple ID often helps.Steps: 1. On the new iPhone: Settings > Mobile Data/Cellular > Add eSIM 2. Tap Transfer from Nearby iPhone 3. Confirm on the old iPhone and follow promptsIf Quick Transfer isn’t offered, use your original QR/SM‑DP+ details or contact support to re‑provision.Android to Android: device tools varyPixel: Settings > Network & Internet > SIMs > Transfer or Add eSIM (if supported)Samsung: Smart Switch can move eSIM on certain models/regions; otherwise use original QR/manual activation.If transfer isn’t available, ask the provider to re‑enable download for your new EID.Cross‑platform (iPhone ↔ Android)Direct transfer isn’t supported. You’ll need re‑provisioning to the new device’s EID with fresh SM‑DP+ credentials.Before you switch phones: - Screenshot your eSIM details (ICCID, plan label) - Note both EIDs (old and new) - Ensure the plan isn’t mid‑use with roaming critical to your tripDual‑SIM travel setup: do it once, do it rightSet your travel eSIM as the Mobile Data line; keep your home SIM for calls/SMS and multi‑factor codes.iPhone: Settings > Mobile Data > Mobile Data > choose your eSIM; turn on Data Roaming for the eSIM only.Android: Settings > Network & Internet/Connections > SIMs/SIM manager > Mobile data > choose eSIM; enable Data roaming for that line.Keep “Allow Mobile Data Switching” off if you want to avoid your phone silently using your home SIM for data.APN: Most eSIMs auto‑configure. If you have no data, enter the APN from your provider’s instructions and restart.Troubleshooting: fast fixes for common activation errors“Unable to complete cellular plan change”Toggle Airplane mode on/off, reboot, and retry on strong Wi‑Fi.Ensure date/time are automatic.“Activation code invalid”Check for stray spaces; try manual entry.Confirm the code hasn’t already been redeemed or expired.Stuck on “Activating”Switch Wi‑Fi networks (captive portals can block downloads).Try another location; some corporate networks block eSIM traffic.Installed but “No Service”Enable Data Roaming for the eSIM line.Set Network Selection to Automatic.Confirm the plan is valid in your country; if you’re in the USA, see regional options like Esim United States or broader Esim North America.Data works, calls/SMS don’tYour plan may be data‑only by design (common for travel eSIMs).Profile disappeared after update/resetIt wasn’t backed up. Contact support with your EID for re‑provisioning options.Picking the right footprint for your tripChoose coverage to match your route: - Single‑country stays: e.g., Esim France, Esim Italy or Esim Spain - Multi‑country tours: Esim Western Europe simplifies roaming across borders - Transatlantic or cross‑border: Esim North America covers USA/Canada/Mexico - See all regions on DestinationsFor teams on the move, centralised purchasing and fleet management are available via For Business. Travel brands and resellers can explore co‑branded or embedded flows in our Partner Hub.Pre‑trip checklist (5 minutes)Confirm your phone is eSIM‑capable and unlockedSave your SM‑DP+ address, activation code and QR offlineNote your EID and order numberInstall on Wi‑Fi before departure; test data onceLabel your lines clearly (e.g., “Home” and “Trip – EU”)Set your eSIM as the data line; enable Data Roaming for that line onlyFAQQ1: What’s the practical difference between EID and ICCID? - EID identifies your device’s eUICC (the chip); ICCID identifies a specific eSIM profile/plan. Support might ask for both, but EID is essential for pushing or recovering a profile.Q2: Do I need to keep the QR code after activation? - Yes. Keep the QR and SM‑DP+ details until the trip is complete. Some providers allow re‑downloads; others treat the code as single‑use.Q3: Can I store multiple eSIMs and switch between them? - Most modern phones store several profiles (e.g., 5–10). You can enable one eSIM data line at a time, then switch in Settings. Delete only when you’re certain you’re done.Q4: Will eSIM activation work without Wi‑Fi? - It can work on mobile data, but Wi‑Fi is more reliable—especially during initial download. Airports and hotels with captive portals can cause issues; a private hotspot is ideal.Q5: My provider asked for my EID to “push” a profile. Is that safe? - Yes—sharing your EID is standard practice for provisioning. It lets the SM‑DP+ server target your device’s eUICC precisely.Q6: How do QR and manual activation differ from a security standpoint? - They’re equivalent. The QR just bundles the SM‑DP+ address and activation code. Manual entry uses the same secure TLS session via the LPA.Next step: choose your coverage and install ahead of your trip. Browse all regions on Destinations.

30 Oct 2025