Nowadays, 4G Internet has become much more common, with all network providers offering 4G services to meet user demand. 4G services are provided in various subscription packages, and exceeding your data limit can result in high charges. In this article, Tech Tips will guide you on how to check 4G data usage for Viettel, MobiFone, and Vinaphone.

I. Checking 4G Data Usage for Viettel
1. Checking your current 4G subscription package
Viettel, one of the leading network providers, offers a range of 4G data packages, tailored to diverse needs. To accurately check your Viettel 4G data balance, you need to identify your current data plan. To do so, simply text:
KTMI gửi 191 (Miễn phí) |
Upon sending the text, you'll receive a response detailing your active data package.
2. How to Check Your Viettel 4G Data Balance
Once you know your subscribed 4G plan, checking your balance is straightforward. Simply compose a text message or use the provided code. Viettel offers both prepaid and postpaid options, so the checking process may vary slightly:
Tên gói cước | Thuê bao trả trước |
Thuê bao trả sau |
M10, M30, M50 |
*101# OK |
Tra cuoc gửi 191 |
Mimax, Mid1, Dmax200, Dmax |
KTTK gửi 191 |
KTTK gửi 191 |
Checking your Viettel 4G data balance is completely free of charge, whether through text or by calling Viettel's hotline: 18008098.

II. How to Check Your MobiFone 4G Data Balance
MobiFone offers three main 4G data packages, along with various smaller options. Each package has its own method for checking data balance.
Tên gói cước | Cú pháp |
Gói 4G Data cơ bản |
KT DATA gửi 999 |
Gói 4G Data Plus |
KT DATA PLUS gửi 999 |
Gói 4G Data IP |
KT DATA IP gửi 999 |
Các gói cước khác |
KT ALL gửi 999 |
To check your MobiFone 4G balance, simply use the provided codes. The process remains the same for both prepaid and postpaid subscribers. It's free and the response is prompt. If you encounter any issues, feel free to call the MobiFone hotline for assistance: 18001090.

III. How to Check Your VinaPhone 4G Data Balance
VinaPhone offers a variety of 4G data packages tailored to different user needs. It's essential to monitor your 4G data usage for better control and planning.
VinaPhone has streamlined the process by using a single code for checking remaining 4G data. This convenience greatly benefits users. To check your remaining 4G data, simply input the following code:
*123# OK |
Alternatively, if you prefer not to use the code, you can check your 4G data balance via text message. This method is also free of charge. Text the following code:
DATA gửi 888 |
If you're unable to check your 4G data balance via phone call or text message, you can reach out to VinaPhone's hotline for assistance: 9191.

In this article, Tech Tricks has provided guidance on checking the 4G data balance for Viettel, VinaPhone, and MobiFone. We wish you success!