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Are customers who have not changed from 2G to 4G guaranteed benefits?

Are customers who have not changed from 2G to 4G guaranteed benefits?

vov-vnBáo điện tử VOV
16/10/2024
Installing a telephone broadcasting station to serve the resettlement of Lang Nu

Installing a telephone broadcasting station to serve the resettlement of Lang Nu

tuoitre-vnBáo Tuổi Trẻ
19/09/2024
Viettel brings 2 signal boosters to the admission and career counseling festival in Hanoi

Viettel brings 2 signal boosters to the admission and career counseling festival in Hanoi

tuoitre-vnBáo Tuổi Trẻ
16/03/2024
Pure 2G and 3G phones will be locked from December 2023

Pure 2G and 3G phones will be locked from December 2023

vtc-vnVTC News
06/09/2023
The harmful effects of leaving your phone next to you while sleeping

The harmful effects of leaving your phone next to you while sleeping

vtc-vnVTC News
27/07/2023