Question 1

What is the best Vietnam eSIM: Viettel data-only or a MobiFone bundle with a phone number?

Accepted Answer

The best Vietnam eSIM depends on whether you only need mobile data or also want a Vietnam phone number. Choose Viettel for strong data-only coverage, or choose a MobiFone local eSIM bundle if you need a phone number with plan-specific call or SMS inclusions.

Question 2

How do I activate a Vietnam eSIM on arrival?

Accepted Answer

Install your Vietnam eSIM before departure while you have Wi-Fi. Viettel plans auto-activate on arrival in Vietnam; for MobiFone single-use bundles, activation is completed on arrival by calling 900 and pressing 1.

Question 3

Do Vietnam eSIM plans include a phone number, calls, or SMS?

Accepted Answer

Only MobiFone local eSIM bundles include a Vietnam phone number. Calls and SMS vary by plan, while Viettel and standard data eSIMs are data-only.

Question 4

Can I top up, extend, or replace a Vietnam single-use eSIM?

Accepted Answer

Vietnam single-use eSIM plans cannot be topped up or extended, so it is important to choose the right validity and data allowance before purchase. Replacements also cannot be issued for Vietnam single-use products, so do not delete the eSIM if you are troubleshooting.

What you should know about eSIMs

Instant activation

Calls & texts on some plans

Single-use eSIMs

iOS & Android compatibility

Vietnam eSIM Frequently Asked Questions

Unlock free data with eSIM

Vietnam eSIMs