Changing subscriber information documents on My Viettel

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Ngày cập nhật gần nhất: 15/3/2026

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Changing Viettel subscriber information via My Viettel

How to Update Subscriber Information Documents on My Viettel

Standardizing mobile subscriber information is a mandatory regulation implemented by Viettel to manage users. Instead of going to a service counter to correct personal information errors, you can change subscriber information documents directly on My Viettel from home. Mytour will guide you through each step in the following article.

Citizens who change from ID card to citizen identity card or switch from barcode ID card to chip-embedded ID card need to update their phone number information to ensure the SIM card is registered under the correct owner. How to change subscriber information documents on My Viettel is guided below, inviting readers to refer.

Changing Viettel subscriber information via My Viettel

How to Update Subscriber Information Documents on My Viettel

The steps to change Viettel subscriber information online are as follows:

Step 1: Log in to My Viettel

Download the My Viettel app to your phone, register for an account, and proceed to log in to this application.

Next, select to proceed with the following steps.

+ Method 2: Swipe the circular cells on the homepage to the left and select the 'Other utilities' section => Then click on 'Change documents'.

Step 3: Proceed to change documents

In case you can change documents online through the application (a notification will be displayed):

=> Capture photos of the front, back of the new document, and take a portrait photo. After updating, click on 'Continue'

Step 4: Verify customer and subscriber information

After completing step 3, the system will move you to the customer information verification step. If everything is complete and accurate, click on 'Continue' => Proceed to check subscriber information. If everything is in order, click on 'Agree'

Step 5: Check contract information and sign the document for changing documents

After completing step 4, proceed to verify contract information:

You verify customer information, address, and updated document information (ID card number, issue date, place of issue) => Click 'Continue' if everything is correct.

+ Contract information and signing the contract, you review the Request Form... and sign the confirmation (mandatory signature) => Tick the box 'I confirm that the information provided is accurate' then click 'Continue'

Step 6: Enter confirmation code and wait for results

The system sends an OTP code to your phone, you retrieve and enter the code => Click 'Confirm'. If the system notifies successful update, click 'Complete'. By now, you have completed the process of changing subscriber information documents on My Viettel.

The above content has guided you on how to change subscriber information documents on My Viettel. Hopefully, with these instructions, readers can quickly change subscriber information on My Viettel at home without the need to visit service points.

In addition to supporting inquiry, updating Viettel subscriber information, the My Viettel application also assists you in checking your account balance, registering/unregistering services, purchasing electronic lottery tickets. For more details, readers can refer to the guide on charging Viettel credit with My Viettel and the article on how to buy Vietlott on My Viettel, buying Vietlott tickets online for more information.

Frequently Asked Questions

How can I update my Viettel subscriber information online?

To update your Viettel subscriber information online, download the My Viettel app, log in, and select 'Change documents' in the 'Other utilities' section. Follow the prompts to upload your new ID and verify your details.

Is it necessary to update subscriber information for new ID cards?

Yes, it is necessary to update your subscriber information when switching to a new citizen identity card or a chip-embedded ID card to ensure that your SIM card is registered under the correct name.

What steps are involved in changing documents on My Viettel?

The steps to change documents on My Viettel include logging in, selecting 'Change documents', uploading your ID, verifying customer information, signing the document, and entering the confirmation code sent via OTP.

Can I change my Viettel subscriber information without visiting a service center?

Yes, you can change your Viettel subscriber information without visiting a service center by using the My Viettel app, which allows for document updates from home.

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