Question 1

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

Accepted Answer

Choose Viettel for local data-only service with up to 5GB per day. Choose MobiFone for up to 8GB per day and a Vietnam phone number on every bundle; calls and SMS vary by plan.

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 and MobiFone eSIMs activate automatically when switched on and connected to a supported network in Vietnam. Keep the APN on Automatic; Data Roaming is not required, although leaving it on is harmless.

Question 3

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

Accepted Answer

Every MobiFone local eSIM bundle includes a Vietnam phone number. Calls and SMS vary by plan, while Viettel plans are data-only and do not include a number.

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.

Question 5

Should I choose Viettel data-only or MobiFone with a phone number?

Accepted Answer

Choose Viettel data-only for up to 5GB per day when maps, messaging, bookings and ride-hailing are the priority. Choose MobiFone for up to 8GB per day and an included local number, then compare any plan-specific calls or SMS.

Question 6

Does a Vietnam eSIM work in Hanoi, Ho Chi Minh City and Da Nang?

Accepted Answer

Vietnam travel eSIMs are intended for common tourist and business routes including Hanoi, Ho Chi Minh City, Da Nang, Hoi An, Nha Trang and Phu Quoc. Coverage still depends on the selected network and local conditions.

Question 7

When should I activate a Vietnam eSIM?

Accepted Answer

Install before departure where possible, then follow the plan instructions for activation. Some bundles have specific activation windows or arrival steps, so keep the confirmation email available offline.

شرائح eSIM لـ فيتنام

Choose your فيتنام eSIM

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Choose your bundle

شرائح eSIM لـ فيتنام

Current BambooSIM plan details

Before you choose

شرائح eSIM لـ فيتنام

Vietnam eSIM FAQs

افتح البيانات المجانية باستخدام eSIM