Supplementary procedures for subscriber information on Viettel, Mobi, Vina, Vietnamobile networks

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Ngày cập nhật gần nhất: 15/4/2026

Wondering about the procedures for supplementing subscriber information? It's a current concern when updating SIM information as requested by Viettel, Mobi, Vina, and Vietnamobile networks.

With frequent inquiries about supplementing subscriber information, the procedures with Viettel, Mobi, Vina, Vietnamobile networks are always a topic sent to Mytour.vn.

Supplementary procedures for subscriber information on Viettel, Mobi, Vina, Vietnamobile networks

* Essential procedures for supplementing subscriber information

For Viettel, Mobi, Vina, Vietnamobile networks, when you perform subscriber information supplementation at network locations, you will need the following procedures:

- Your mobile phone SIM (Viettel, Mobi, Vina, Vietnamobile) that you are using and want to supplement information.
- ID card, passport, citizen ID, along with a non-certified copy, all in the owner's name.
- Prepare 5 frequently contacted phone numbers in the last 30 days.
- The amount remaining in your account (depending on the store's requirements).
- The denomination of the most recent top-up card (depending on the store's requirements).
- Cost for supplementing subscriber information with the network: Free.
- At transaction locations, transaction staff will take a portrait photo of you to supplement subscriber information.
- You cannot perform subscriber information supplementation for Viettel, Mobi, Vina, Vietnamobile on behalf of someone else.

* Transaction locations where you can supplement subscriber information:

Currently, networks Viettel, Mobi, Vina, Vietnamobile all support users in supplementing subscriber information at transaction locations nationwide. To find the nearest transaction location, you can contact the network's hotline for advice.

- Viettel hotline: 18008098.
- Vinaphone hotline: 9191.
- Mobifone hotline: 9090.

- Vietnamobile hotline: 789.

* How to supplement subscriber information at home:

Apart from supplementing subscriber information at Viettel, Mobi, Vina, Vietnamobile transaction locations, which may lead to a considerable wait, you can perform this task right at home. Refer to the steps here:

- How to supplement Viettel subscriber information.
- How to supplement Vinaphone subscriber information.
- How to supplement Mobifone subscriber information.
- How to supplement Vietnamobile subscriber information.

* Supplementing subscriber information using applications

Currently, each network like Viettel, Vinaphone, Mobifone, Vietnamobile supports users in updating their mobile subscriber information through customer-connecting applications. You can download the suitable applications for your network here:

- For Viettel network

You can swiftly download the My Viettel application to your Android or iPhone following these steps:

+ For Android devices: Download My Viettel for Android.

+ For iPhone devices: Get My Viettel for iPhone.

- For Mobiphone network

You can download the My Mobifone application for Android and iPhone devices here:

+ For Android devices: Download My Mobifone for Android.

+ For iPhone devices: Get My Mobifone for iPhone.

- For Vinaphone network

Let's go through the process of downloading the My Vinaphone app for Android and iPhone devices tailored to your device as follows:

+ For Android devices: Download My Vinaphone for Android.

+ For iPhone devices: Get My Vinaphone for iPhone.

- For Vietnamobile network

You can download and install the MyVietnamobile application on your phone here:

+ For Android devices: Download MyVietnamobile for Android.

+ For iPhone devices: Get MyVietnamobile for iPhone.

Here's an article addressing queries about the procedure of supplementing subscriber information, including what is required for networks Viettel, Mobi, Vina, Vietnamobile. It has garnered significant attention and inquiries from individuals reaching out to Mytour.vn. We hope that through this article, you now know the procedures you need to prepare to supplement your SIM subscriber information.

https://Mytour.vn/thu-tuc-bo-sung-thong-tin-thue-bao-gom-nhung-gi-mang-viettel-mobi-vina-vietnamobile-22910n.aspx
In addition, for those interested in checking whether their subscription is on the list that requires subscriber information supplementation, you can continue reading the guide on checking Viettel, Vina, Mobi, Vietnamobile SIM information. This article by Mytour.vn compiles various methods for you to quickly and accurately check your subscription information at home when needed.

Frequently Asked Questions

What are the essential procedures for supplementing subscriber information?

To supplement subscriber information for Viettel, Mobi, Vina, and Vietnamobile networks, you need your mobile SIM, an ID document, a non-certified copy of that document, and five frequently contacted phone numbers from the past 30 days. It's important to note that you cannot perform this process on someone else's behalf.

How can I supplement my subscriber information at home?

You can supplement your subscriber information at home using the respective applications for your network, such as My Viettel, My Mobifone, My Vinaphone, and MyVietnamobile. Each application offers step-by-step instructions for updating your information easily without visiting a physical location.

Is there a cost associated with supplementing subscriber information?

No, there is no cost for supplementing subscriber information across Viettel, Mobi, Vina, and Vietnamobile networks. The process is free of charge, whether performed at transaction locations or through applications.

Where can I find transaction locations to supplement my subscriber information?

You can find transaction locations for supplementing your subscriber information by contacting the customer service hotlines for each network. Viettel can be reached at 18008098, Vinaphone at 9191, Mobifone at 9090, and Vietnamobile at 789 for assistance.

What documents are required for subscriber information supplementation?

You need your mobile phone SIM, an ID card or passport, a non-certified copy of that document, and five frequently contacted phone numbers from the last 30 days. Ensure all documents are in the owner's name to avoid complications during the process.

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