Syntax to receive 5GB free when installing Bluezone for Viettel, Vina, Mobi networks

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Ngày cập nhật gần nhất: 15/4/2026

Exclusive offer to get 5GB free when installing Bluezone announced by major Vietnamese networks like Viettel, Vina, Mobi starting from 11/08. Just a few simple steps to install the Bluezone app and send a text message to instantly get 5GB of data for unlimited internet access.

To encourage users to download and install the Bluezone app to collectively combat Covid-19, many major domestic networks have launched campaigns to give away 5GB data and waive internet charges when accessing and downloading the Bluezone app. For detailed information about the program and the syntax to receive 5GB for free when installing Bluezone, please refer to the following article by Mytour.

Guide to receiving free Data when installing the Bluezone app

Guidelines for receiving 5GB free when installing Bluezone
- Duration: From 11/08 to 15/8
- Eligibility: Customers receiving app installation invitation messages
- Scope: All users of Viettel, Mobifone, VinaPhone networks
- Value: Offering free 1GB data/24h for 5 days

Syntax to receive 5GB free when installing Bluezone

Step 1: Download and install the Bluezone app suitable for your device.

Step 2: After installing the Bluezone app, send the following code via SMS:
+ Viettel: Text BZ send 191
+ Vinaphone: Text BLZ send 888
+ MobiFone: Text BLZ5 and send 999
Once the promotion is successfully activated, the network operator will send a confirmation message as illustrated below.

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