Buzz
Additionally, you can send an additional message with the syntax TC3 to 199 to reject receiving information about NEW products or services from Viettel.
So now you know how to block Viettel's advertising messages after reading the aforementioned article. From now on, you won't have to worry about service messages and promotions flooding your inbox from Viettel. However, be aware that Viettel will stop sending 50% of promotional messages after applying this method. Therefore, you should stay updated regularly to have a better understanding. If you want to learn more, refer to the Viettel 3G subscription we instructed earlier.
Moreover, it's essential for you to regularly check your Viettel subscription information to ensure its validity and to see if any unfortunate incidents occur while using Viettel's network services. The syntax for checking Viettel's personal information is very simple; you just need to compose a message with TTTB and send it to 1414
Telecommunication services are constantly evolving, so to access the best services, customers must always update information from the network provider. Viettel's advance payment service is one such service. Instead of only being able to advance a fixed amount of money as before, now customers can advance money with various value packages.
