ABOUT VIETTEL

2020: Đổi mới và phát triển Dịch vụ chính phủ Điện tử – Asia Pacific Stevie Awards.I couldn't update my account facts, when I took a photo of my IDC, the application stucked in a cyan background by using a again button. I attempted several periods but the results have been the same.- Transfer dollars on line to phone quantiti