eSIM DestinationRéunion eSIM
Piton de la Fournaise, Cilaos circus, your data hikes the ravines with you.
- 5G
- Instant Activation
- 30-day refund
Operators in Réunion
1 partner network
- Orange5G
Highest generation per operator is displayed; some plans may use a fallback band based on local conditions.
About Réunion eSIM
Réunion eSIM: Your Lifeline (and When It's Not) in the Wild
Réunion is a hiker's paradise, from the towering Piton de la Fournaise to the lush cirques of Mafate and Salazie. For adventurers heading off-grid, a reliable eSIM is key, but it's crucial to understand the realities of mountain coverage. While you'll get solid 4G/LTE connectivity with carriers like Orange Réunion and SFR Réunion in major hubs like Saint-Denis (especially around Roland Garros Airport) and coastal towns, don't expect miracles deep in the caldera. Signal will likely die on strenuous mountain passes and in remote valleys.
Navigating Réunion's Backcountry: eSIM & Offline Essentials
Before you hit the trails, load up your eSIM for initial setup and crucial info downloads. Carriers like Orange Réunion generally offer the best rural footprint, but even they have limits. ALWAYS download your offline maps (think Gaia GPS or AllTrails) before you lose signal. Your eSIM will be invaluable for coordinating logistics in towns, checking weather, and light browsing. But when you're truly in the wild, your phone becomes a GPS device first, and a communication tool only when signal permits. Consider a satellite messenger for true emergency comms beyond cellular reach.
Choosing Your Réunion eSIM for the Mountains
When selecting your eSIM for Réunion, prioritize carriers known for broader coverage, even if it's not perfect everywhere. Our eSIMs connect to the strongest available network, often Orange Réunion, giving you the best shot at staying connected as long as possible. Remember, an eSIM provides quick activation, no physical SIM hassle, and lets you keep your primary SIM for home contacts. Just be honest with yourself about where the signal will drop – that's when your offline preparations kick in. Embrace the disconnect, but be prepared.
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No SIM card needed. Activate before you board.
Before Your Expedition: Everything About eSIM
a seamless communication experience, the 6 critical points you need to know for your journey.
Discover the benefits of next-generation eSIM technology for uninterrupted, worry-free expeditions with no surprise bills.
Data for the Trail
Our plans are data-first. Traditional GSM calls aren't included, but you can make voice and video calls freely via WhatsApp, FaceTime or Skype, even from remote regions.
Your WhatsApp Number Stays with You
Your contacts stay intact. While abroad, keep using your existing WhatsApp number to stay in touch with your base camp.
Expedition Hotspot Sharing
Turn your phone into a portable modem. Share your internet with your tablet, laptop, or fellow adventurers through Personal Hotspot.
Elevation
2,847
m · Andes
Heading
NNW
342°
ACTIVE EXPEDITION PLAN
Réunion Expedition
12GB
Signal remaining
Data roaming on
Trail signal ok
Plan duration
5 days left
Device Compatibility for the Wild
Before purchase, make sure your phone is carrier-unlocked (Simlock-free) and supports eSIM. Most modern smartphones are ready for adventure.
Right Timing for Deployment
Install your eSIM profile calmly on home Wi-Fi. It only activates when you arrive and connect to a network, so you don't waste any expedition days.
24/7 Expert Expedition Support
Need help with setup or usage? Our expert team is available 7 days a week over live chat to answer your questions, even from the deepest fjords.
Best eSIM for Réunion in 2026
Looking for the best eSIM for Réunion? esimAdventures is a top pick for travelers thanks to transparent pricing, fast 4G/5G coverage, and instant activation. Plans start from $2.00 for Réunion eSIM data. Compare features below and see why esimAdventures consistently ranks among the best value eSIM options for international travelers.
- Transparent prices — no account needed
- eSIM Access & eSIM Go premium backbone
- 24/7 multilingual support
Frequently Asked Questions
Most flagship smartphones released since 2018-2019 support eSIM, including iPhone XS and newer, Google Pixel 3 and newer, and Samsung Galaxy S20 series and newer. Tablets, smartwatches and an increasing number of laptops also support eSIM. The fastest way to verify your specific device is to check Settings , if you see "Add eSIM" or "Add cellular plan" as an option, you're compatible.
eSIM compatibility is now standard across the high-end smartphone market and rapidly spreading into mid-range devices. Cellesim works with any unlocked, eSIM-capable device , no special configuration needed beyond scanning the QR code we send you.
iPhones with eSIM support
- iPhone XS, XS Max, XR (2018) , first iPhones with eSIM (one physical SIM + one eSIM).
- iPhone 11, 11 Pro, 11 Pro Max (2019).
- iPhone 12, 12 mini, 12 Pro, 12 Pro Max (2020).
- iPhone 13, 13 mini, 13 Pro, 13 Pro Max (2021) , supports two active eSIMs simultaneously.
- iPhone 14, 14 Plus, 14 Pro, 14 Pro Max (2022) , US versions are eSIM-only (no physical SIM tray).
- iPhone 15, 15 Plus, 15 Pro, 15 Pro Max, iPhone SE 3 and later , full eSIM support.
Google Pixel with eSIM support
- Pixel 3 / 3 XL and all later models (Pixel 4, 4a, 5, 5a, 6, 6 Pro, 6a, 7, 7 Pro, 7a, 8, 8 Pro, Pixel Fold).
Samsung Galaxy with eSIM support
- Galaxy S20, S20+, S20 Ultra, S20 FE (2020) , first Galaxy with eSIM.
- Galaxy S21 / S22 / S23 / S24 series (all variants except some regional versions).
- Galaxy Z Fold 2, 3, 4, 5 and Z Flip 1, 2, 3, 4, 5.
- Galaxy Note 20, 20 Ultra.
- Note: Some regional Samsung variants (e.g., specific Hong Kong dual-SIM physical models) may not support eSIM. Check Settings → Connections → SIM Card Manager.
Other Android devices with eSIM
- Huawei: P40, P40 Pro, Mate 40 Pro and newer flagships.
- Motorola: Razr (2019+), Edge 30 series, ThinkPhone.
- Xiaomi: Mi 11 series and newer (international versions).
- OnePlus: OnePlus 11, 12 (verify region).
- Sony: Xperia 1 IV, 5 IV, 10 IV and newer.
- Nokia / HMD: G60, X30 5G.
How to verify eSIM support on your device
- iPhone: Settings → Cellular → look for "Add eSIM" or "Add Cellular Plan". You can also dial *#06# , if you see an "EID" (32-digit number), your phone has eSIM hardware.
- Android: Settings → Connections (or Network & Internet) → SIM Cards → look for "Download a SIM instead" or "Add eSIM".
- EID check: most eSIM-capable Android phones show EID in Settings → About Phone → Status.
Tip: Even if your phone supports eSIM hardware, it must be unlocked (not carrier-locked) to use third-party eSIMs like Cellesim. Most phones bought outright are unlocked; phones from carrier instalment plans may require unlocking after the contract is paid off.
Almost every flagship smartphone released since 2019 supports eSIM, making it ideal for international travel. Compatible models include iPhone XS and newer, Google Pixel 3 and newer, Samsung Galaxy S20 and newer, plus a growing list of mid-range devices. If your phone has Settings → Cellular → "Add eSIM", you're ready to use a Cellesim plan abroad.
Travellers benefit most from eSIM because it eliminates the airport SIM-card queue, removes the need to swap your home SIM out, and lets you keep your usual phone number active for SMS verification. A Cellesim travel eSIM activates the moment you land , no shop visit required.
Best eSIM-compatible travel phones
- iPhone (2018+): XS, 11, 12, 13, 14, 15, 16 series and SE 3rd gen , all support Dual SIM with one physical SIM + one eSIM. iPhone 14/15/16 in the US is eSIM-only.
- Google Pixel (2018+): Pixel 3 through Pixel 9 , all support eSIM. Pixel 7 Pro and newer support multiple active eSIMs.
- Samsung Galaxy (2020+): S20, S21, S22, S23, S24, S25, Note 20, Fold and Flip series.
- Motorola: Razr (2019+), Edge 30/40, ThinkPhone , most newer flagships.
- OnePlus: OnePlus 11, 12 , varies by region.
- Sony: Xperia 1 IV / V, Xperia 10 IV / V.
- Xiaomi: Mi 11 international and newer flagships.
- Nokia/HMD: G60 5G, X30 5G.
What to check before buying a travel eSIM
- eSIM hardware: dial *#06# , if an EID number appears, you're compatible.
- Carrier unlock status: phones bought on instalment plans may be locked to your home carrier. Most outright purchases are unlocked.
- iOS version: iOS 12.1 or newer for full eSIM support.
- Android version: Android 9 or newer typically supports eSIM, though it depends on the manufacturer.
- Region-specific variants: some Samsung models sold in Hong Kong or China are dual physical SIM with no eSIM , verify your specific model number.
Travel-friendly phones that don't support eSIM
- iPhones older than XS (iPhone X, 8, 7, 6 series).
- Most budget Android phones (entry-level Samsung A series before A53, Xiaomi Redmi entry models).
- Older Huawei devices without Google Services.
- Region-specific dual physical SIM variants (verify model number).
Tip: if your current phone doesn't support eSIM but you travel often, an unlocked, mid-range eSIM-capable phone (e.g., Pixel 7a, iPhone SE 3, Samsung Galaxy A55) makes an excellent secondary travel device , pair it with a Cellesim plan and you have a full mobile internet kit for any destination.
This specific plan is valid only within Réunion. This is the most critical question for "island hoppers." If you are on a multi-country trip and fly to Mauritius (a separate country), your connection will stop. For this popular two-island vacation, we highly recommend our Regional eSIM that covers both Réunion and Mauritius.
It is complicated.
- For EU Citizens: Yes, "Roam Like at Home" (RLAH) technically applies. However, many non-French carriers (e.g., from Germany, Spain) enforce strict "Fair Use Policies" for remote territories and may cap or throttle your data.
- For UK/US Citizens: No! Post-Brexit UK plans and all US plans will charge you very high international "Rest of World" roaming fees.
A Cellesim eSIM guarantees a fixed price and high-speed data without "Fair Use" limits.
Yes, in most key areas. Réunion has a world-class French network. You will have a strong 4G/5G signal at the Piton de la Fournaise (volcano) viewpoint and in the main villages of the "Cirques" (like Cilaos). However, once you go deep into a remote hike, you will lose signal. It is perfect for navigation to the hikes, but not during the entire trek.
To give you the best speed (as you'd expect in France), our eSIM connects to Réunion’s premium Tier-1 networks, typically Orange Réunion or SFR Réunion. This ensures you get the fastest available 4G/LTE (and 5G) speeds, whether you are in Saint-Denis or at the beach in Saint-Gilles.
Yes, 100%. Buying a physical "prepaid" SIM at Roland Garros Airport (RUN) requires finding the kiosk (which may be crowded), and going through a mandatory passport registration process as required by French law. Our eSIM is 100% digital, requires no ID registration, and can be installed before you fly, so you are connected the moment you land.
Most modern phones do, but you must check our specific list here: eSIM Compatible Devices to be 100% sure before purchasing.
Absolutely. Reliable data for Google Maps or Waze is essential to navigate the winding "road of 400 bends" to Cilaos or the coastal Route du Littoral.
Yes. Coverage is excellent along the western lagoon beaches like l'Ermitage and Boucan Canot, allowing you to post sunset photos instantly.
Yes. Saint-Pierre, the "capital of the south," has robust 4G+ infrastructure, making it a great base for remote work and video calls.
You will have signal at the helipads in Saint-Gilles or Pierrefonds, but connection will obviously drop while flying high over the remote Trou de Fer waterfalls.