Vietnam network guide
Best eSIM for Vietnam 2026: Viettel vs. Vinaphone vs. Mobifone
Vietnam can feel effortless in the cities and surprisingly unforgiving once you head into mountain loops, bays, or rural roads. The best Vietnam eSIM in 2026 depends less on marketing and more on which network actually owns the towers where you plan to go.
Quick read: Viettel wins for remote coverage, Vinaphone is strongest for city speed, and Saily is the easier travel pick because it can ride both instead of locking you into one network.
The big three
Vietnam’s network giants compared
Viettel: The king of coverage
Viettel is still the safest answer for Ha Giang, Sapa, Ha Long Bay, and other routes where the map stops looking flat and easy. If your trip includes one remote leg, Viettel matters.
Vinaphone: The urban speedster
Vinaphone stays especially attractive for Hanoi, Da Nang, Ho Chi Minh City, and resort-heavy routes where stable city performance matters more than mountain resilience.
Mobifone: The budget beach option
Mobifone can be fine for city strips and some southern beach zones, but it becomes a weaker bet once you leave the easy tourist corridor or head inland.
Quick comparison
Viettel vs. Vinaphone vs. Mobifone
| Feature | Viettel | Vinaphone | Mobifone |
|---|---|---|---|
| Max 5G speed | ~615 Mbps | ~315 Mbps | ~185 Mbps |
| Mountain coverage | Best | Average | Poor |
| Ha Long Bay signal | Excellent | Good | Mixed |
| Urban reliability | Excellent | Excellent | Good |
| Best for | Adventure / remote routes | Business / digital nomads | Budget / city-only trips |
Why Saily
Why Saily is the smarter travel choice
Saily in Vietnam switches between Viettel and Vinaphone. In Da Nang, Hanoi, and Ho Chi Minh City, 5G often lands around 100 to 150 Mbps, while rural 4G commonly stays in the 20 to 40 Mbps range.
Travel eSIM setup is still much cleaner than buying a physical SIM, dealing with passport checks, and hoping the airport offer survives the full route.
Personal Hotspot is fully supported and the whole purchased allowance can be shared with laptops, tablets, or a second phone.
If your route changes or your stay gets longer, in-app top-ups are much less annoying than replacing a local SIM while keeping your home number active for 2FA.
Practical picks
Two easy ways to buy smarter
City-first itinerary
Vietnam 10GB 30 days is the cleanest city-first pick right now at $17.99.
Remote-heavy itinerary
Vietnam 20GB 30 days gives you more breathing room when the route includes longer remote stretches.
Band reminder
Make sure your phone supports the modern 5G bands used in Vietnam. Even the best eSIM cannot help much if the device itself is the bottleneck.
Live Saily packages
Top 5 Vietnam-ready packages in the live feed
| Package | Coverage | Speed | Hotspot | Price | |
|---|---|---|---|---|---|
| Vietnam 1GB 7 days | Vietnam | 5G / 4G LTE | Allowed | $3.99 | Check plan |
| Vietnam 3GB 30 days | Vietnam | 5G / 4G LTE | Allowed | $7.99 | Check plan |
| Vietnam 5GB 30 days | Vietnam | 5G / 4G LTE | Allowed | $10.99 | Check plan |
| Vietnam 10GB 30 days | Vietnam | 5G / 4G LTE | Allowed | $17.99 | Check plan |
| Vietnam UNLIMITED 5 days | Vietnam | 5G / 4G LTE | Allowed | $18.99 | Check plan |
Keep exploring Vietnam
Need the full package list or the 90-day nomad guide?
Compare every live Vietnam package on the main country page or jump into the 90-day remote-work guide if your trip is built around cafés, calls, and long-stay data value.