Best eSIM for Vietnam — Instant Data Plans
Vietnam eSIMs from LTE.app activate in under 2 minutes on Viettel and Mobifone (also Vinaphone) — no contract, no airport SIM kiosk, no roaming bill.
Vietnam's long, slender geography takes travellers from the mountains of Sapa to the beaches of Phú Quốc — staying connected the whole way requires the right plan.
Your calls stay on your home number.
Your data runs on LTE.app.
Most modern iPhones and Android phones support two connections at once. Keep your existing SIM active — your number never changes, your apps keep working. Just add a Vietnam data plan on top.
- ✓ Calls and texts work normally
- ✓ WhatsApp, iMessage unchanged
- ✓ Bank 2FA still arrives
- ✓ Nothing to cancel or port
- ✓ Full 4G / 5G speeds
- ✓ Hotspot included
- ✓ Activates the moment you land
- ✗ ~$10–15 per day, every day
- ✗ Throttled after 512 MB
- ✗ No hotspot on most plans
- ✗ Bill shock when you get home
Why LTE.app
Top cities in Vietnam
Same eSIM, full coverage. Tap a city for local connectivity tips, neighbourhoods, and transit notes.
Major airports in Vietnam
Activate before you board. Each airport guide covers Wi-Fi, ground transport, and arrival tips.
Best eSIM for Vietnam — what you need to know
LTE.app offers eSIM plans for Vietnam. Plans are instant — purchase, scan the QR code in Settings, and your data is live. No physical SIM, no airport queue, no contract.
Coverage is provided through Viettel and Mobifone and Vinaphone, giving you data across Hanoi, Ho Chi Minh City, Da Nang and beyond. Viettel leads coverage nationwide; major cities and the coastal tourist trail from Da Nang to Hoi An are reliably covered.
Why use an eSIM in Vietnam?
Vietnam eSIM coverage & networks
LTE.app plans in Vietnam route through Viettel, Mobifone, Vinaphone. Viettel leads coverage nationwide; major cities and the coastal tourist trail from Da Nang to Hoi An are reliably covered.
Major destinations covered include Hanoi, Ho Chi Minh City, Da Nang, Hoi An, and Hạ Long Bay. Urban areas and popular tourist sites generally have reliable 4G LTE; rural and mountainous areas may vary.
More questions about Vietnam eSIMs
Does the eSIM work as a hotspot in Vietnam?+
Hotspot supported — useful for sharing data with a travel companion.
Does the Vietnam eSIM include a phone number?+
Data-only — no Vietnamese phone number.
Which network will my eSIM use in Vietnam?+
LTE.app plans in Vietnam use Viettel and Mobifone and Vinaphone. The network your device connects to depends on your plan and device compatibility.
Can I top up or extend my Vietnam eSIM?+
Some plans allow top-ups or extensions from within the LTE.app. If you run out of data, you can purchase an additional plan — the new eSIM will be delivered instantly as a QR code.
Travelling nearby?
Extend your trip or compare plans for neighbouring destinations.
Thailand eSIM →
Cambodia eSIM →
Laos eSIM →
Indonesia eSIM →
Singapore eSIM →Vietnam eSIM vs nearby destinations
How Vietnam eSIM coverage and pricing stack up against neighboring travel destinations. Tap a country to see its own plans and full coverage breakdown.
| Country | Carriers | From | |
|---|---|---|---|
| Vietnam← this page | Viettel · Mobifone | See plans | |
| Thailand | AIS · DTAC | See plans | Plans → |
| Cambodia | Cellcard · Smart Axiata | See plans | Plans → |
| Laos | Lao Telecom · Unitel | See plans | Plans → |
| Indonesia | Telkomsel · XL Axiata | See plans | Plans → |
Vietnam
Thailand
Cambodia
Laos
IndonesiaCarrier list is the primary partner network in each country; plans on smaller destinations may also fall back to additional roaming partners. "From" price refers to the cheapest published LTE.app plan — see each country page for current rates.
Vietnam by the numbers
Each figure links to its primary source — these are not LTE.app estimates.
Vietnam welcomed approximately 12.6 million international visitor arrivals in 2023. Source: Vietnam National Authority of Tourism (VNAT)
Viettel leads Vietnam mobile, followed by VinaPhone and MobiFone. Source: Vietnam Ministry of Information and Communications
Background context for Vietnam draws partly on Wikivoyage, licensed under CC BY-SA 3.0.
Going to Vietnam? Pick the right plan for how you travel.
Different travelers need different eSIM sizes and features. Pick your travel style:
What you need to know
This eSIM provides data access only. It does not include a Vietnam phone number. Use WhatsApp, FaceTime, or Signal for calls.
Set up the eSIM at home over Wi-Fi before your trip. Data only starts counting once you connect to a local network on arrival.
Mobile hotspot is available on most Vietnam plans. Share your data with a laptop or travel companion without extra cost.
Your phone must be eSIM-compatible and carrier-unlocked. Most iPhones from 2018 and flagship Android phones from 2020 support eSIM.
Your QR code is emailed the moment your payment completes — no waiting, no shipping, no airport queue.
How to install your Vietnam eSIM
Note for Vietnam: Some eSIMs in Vietnam require enabling data roaming manually in Settings. If data doesn't start, check that data roaming is on.
Full install guide with screenshots →Love the price? The savings don't stop when you land home.
Pro and Premium subscribers save up to 12% on every plan they ever buy — whether they're in Vietnam next week or somewhere else next year. One membership. Every destination.
Frequently Asked Questions
Can I use an eSIM in Vietnam?
When does my Vietnam eSIM activate?
Can I use mobile hotspot (tethering) in Vietnam?
Can I use my regular SIM and the Vietnam eSIM at the same time?
How fast is the data in Vietnam?
Do I need to show ID to buy a Vietnam eSIM?
Does the Vietnam eSIM include a phone number?
Can I buy more data if I run out in Vietnam?
When should I install the eSIM?
What is the refund policy?
Will my device work in Vietnam?
Can I transfer the eSIM to another device?
Need help choosing?
Ask Smart Coach about the best eSIM plans for Vietnam, compare carriers, get installation help, and more.
Vietnam travel connectivity
All Vietnam pages — linked for faster research