Vietnam eSIM
Connects to Viettel Mobile, Vinaphone, MobiFone. Data only. Days start when you first connect in Vietnam.
How much data do you need?
Estimates are cautious: half of each plan is set aside for background updates.
Vietnam guides
- Cam Ranh Airport Lounge Guide: Hours, Access, Priority Pass
- Cam Ranh Airport to Nha Trang: Taxi, Grab, and Bus Prices
- Da Nang Airport Taxi: Grab Fares, Hoi An Prices, Buses
- Da Nang and Hoi An SIM Card: Airport, Shops, and Coverage
- eSIM for Vietnam: Viettel, MobiFone or a Travel eSIM?
- Ho Chi Minh City SIM Card: Tan Son Nhat, Shops, and 5G
- Internet in Mui Ne and Phan Thiet: SIM Shops and Coverage
- Internet in Vietnam for Tourists: eSIM, SIM, or Roaming
- Nha Trang SIM Card: Cam Ranh Airport, Shops, and eSIM
- Phu Quoc Internet and SIM Cards: Where the Signal Works
- Phu Quoc Taxi Guide: Grab, Xanh SM and Airport Fares 2026
- Renting a Motorbike in Vietnam: License Rules for Americans
Questions about Vietnam
Which network will I get?
Your phone connects to Viettel Mobile, Vinaphone or MobiFone. Speed depends on the local network and where you are.
When do the days start?
When the eSIM first connects in Vietnam. You can install it well before your trip.
Can I add more data?
Yes, on the same eSIM. Nothing new to install.
Do I keep my regular number?
Yes. The eSIM is added as a second line and your usual SIM stays in the phone.