Changing Your Viettel 4G SIM at Home: Quick and Convenient, No Need to Visit Stores or Crowded Places

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Ngày cập nhật gần nhất: 15/4/2026

Frequently Asked Questions

1.

What are the benefits of changing Viettel 4G SIM at home?

Changing your Viettel 4G SIM at home offers several benefits, including saving time and effort, as you don’t need to visit Viettel stores. This method allows for a quick SIM swap, enhancing convenience and accessibility for users.
2.

How can I change my Viettel 4G SIM using My Viettel app?

To change your Viettel 4G SIM via the My Viettel app, first, download and install it. Log in, select 'Utilities', then 'Change SIM', and follow the prompts to enter your new SIM information and complete the process.
3.

Is it possible to change my Viettel 4G SIM through SMS?

Yes, you can change your Viettel 4G SIM via SMS. Simply send the message '4G' to 191, followed by 'Y' to confirm your request. You will then receive a confirmation from Viettel regarding your SIM exchange.
4.

What should I do after changing my Viettel 4G SIM?

After changing your Viettel 4G SIM, remember to restart your device to activate the new SIM. This step is essential to ensure that your device can access the 4G network effectively.
5.

Are there any fees associated with changing to a Viettel 4G SIM?

Yes, there is a service fee of 20,000 VND for changing to a Viettel 4G SIM at home. This fee is applicable when registering online or through other methods.

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