Key Points to Note When Switching to VinaPhone 4G SIM Today: Must-Know Information

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Ngày cập nhật gần nhất: 15/4/2026

Frequently Asked Questions

1.

What happens to my phone number after switching to a Vinaphone 4G SIM?

Your phone number will remain unchanged after switching to a Vinaphone 4G SIM. All your previous subscriptions and account balances will also stay intact, ensuring a seamless transition.
2.

Do I need to change my SIM card to register for Vinaphone 4G?

No, you do not need to change your SIM card to register for Vinaphone 4G. Existing Vinaphone SIMs can be upgraded to 4G directly, unless your SIM is incompatible.
3.

What should I do to activate my Vinaphone 4G services after switching?

To activate your Vinaphone 4G services, send a text message '4G ON' to 888 after switching. Restart your device for the changes to take effect and to ensure you have updated package information.
4.

How can I manage my data usage after switching to Vinaphone 4G?

You can manage your data usage by sending the command 'DATA' to 888. This allows you to check your package data usage regularly and avoid excessive charges from background applications.

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