Registering for Viettel's ST1SV and ST3SV Packages

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Ngày cập nhật gần nhất: 15/4/2026

Providing an ultimate web-surfing, movie-streaming, and music-listening experience, Viettel introduces two 4G data packages, ST1SV and ST3SV, offering substantial data benefits (3GB per day) at incredibly low costs. Here are the details and a quick guide on how to subscribe to ST1SV and ST3SV from Viettel for a fast and simple process.

For those using Viettel's 3G/4G data plans for studying or working, don't miss out on the ST1SV and ST2SV packages. Compared to previous enticing 4G subscription plans like ST150K and ST120K, the ST1SV and ST3SV packages provide high-speed data with 90GB for 30 days and 270GB for 90 days at significantly lower costs, only 120k/month and 360k/3 months.

A detailed guide on registering for Viettel's ST1SV and ST3SV data packages

Explore the details of features, how to subscribe to Viettel's ST1SV, and the registration process for ST3SV. Readers can refer, compare, and choose the most suitable package for their usage needs.

Registering for Viettel's ST1SV and ST3SV Packages

Note: ST1SV and ST3SV packages apply to Viettel prepaid and postpaid subscribers eligible for Viettel's data incentives. To check eligibility, dial *098#OK, check promotional information on the My Viettel app, or contact Viettel's customer service hotline (18008098) for assistance.

1. How to Subscribe to Viettel's ST1SV Package

* Overview of Viettel's ST1SV Package

- The ST1SV Viettel data package is currently offered at 120,000 VND/month with data benefits up to 90GB (equivalent to 3GB/day).
- If users exhaust their daily data quota, the system will automatically throttle the access speed. To continue using mobile data, additional charges will apply based on individual data usage needs.

* How to Subscribe to Viettel's ST1SV Package

- To subscribe to Viettel's ST1SV package, text ST1SV 0987912184 send 9123.
- To check the remaining data and usage time for the ST1SV package, text KTTK to 191

Cancel ST1SVText 191Confirm with 'Y'Text 191

Features, Costs, and How to Register for Viettel's ST1SV Package

2. How to Subscribe to Viettel's ST3SV Package

As the extended version of the ST1SV Viettel package, the ST3SV data plan is designed with a generous data allowance of up to 270GB, valid for 3 months. With the ST3SV Viettel package, readers can enjoy web browsing, gaming, and music streaming without worrying about renewals or data shortages for 3 months in various usage scenarios.

* Overview of Viettel's ST3SV Data Package

- Enjoy 270GB high-speed data for 3 months at the cost of 360,000 VND (equivalent to 120,000 VND/month).
- Each day, the system will automatically add 3GB promotional data to your account for usage. In case you exhaust the promotional data, you can purchase additional data and incur extra charges based on your usage needs.
- If you don't use up the daily added data, the system will not retain it, and the accumulated data will roll over to the next day.

* How to Subscribe to Viettel's ST3SV Package

- To subscribe, text ST3SV 0987912184 send 9123.
- To check remaining data and usage time for the ST3SV package, text KTTK to 191.
- To cancel the ST3SV Viettel package, text CANCEL ST3SV to 191

Details on features, costs, and how to register for Viettel's ST3SV data package

Here are the details on how to subscribe to Viettel's ST1SV and ST3SV packages. We hope the information in this article proves useful, making it easier for you to compare and choose the 4G Viettel packages that best suit your educational, professional, and entertainment needs. See you in our upcoming articles!

Explore more: Latest Compilation of Viettel's 4G Packages

Frequently Asked Questions

What steps should I follow to subscribe to Viettel's ST1SV data package?

To subscribe to Viettel's ST1SV package, send a text with 'ST1SV' to 0987912184 and then send it to 9123. The package costs 120,000 VND per month and provides up to 90GB of data.

How can I check my remaining data for the ST3SV package from Viettel?

To check your remaining data and usage time for the ST3SV package, simply text 'KTTK' to 191. This will provide you with the current status of your data usage.

Are there any additional charges if I exceed my daily data limit on ST1SV?

Yes, if you exhaust your daily data quota on the ST1SV package, the system will automatically throttle your access speed. You can continue using data, but additional charges will apply based on your usage.

What benefits do I get with the ST3SV package from Viettel?

The ST3SV package offers a generous data allowance of 270GB for three months at 360,000 VND. It also provides 3GB of promotional data daily, ensuring that you can enjoy uninterrupted web browsing, gaming, and streaming.

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