Viettel launches 220 billion VND promotion for 22nd anniversary

To celebrate 22 years of mobile service operations, Viettel has launched a promotional campaign featuring a total gift value of 220 billion VND. The event is centered on the Viettel Tammi platform and runs from October 15 to October 21, 2026.

Active Viettel mobile subscribers can participate in several programs. Through the Viettel Tammi app, users can claim daily rewards of up to 220,000 VND, which are provided as promotional credit for internet access with a 24-hour validity period.

Additionally, customers registering for 5G packages via the app during the anniversary week can receive a 22% cashback in data promotional credit. On the specific anniversary date of October 15, prepaid subscribers who top up their accounts through any channel will receive a 22% bonus, split equally between domestic calling credit and data, valid for 15 days.