Allow us to keep up the higher hopes for the new 5G engineering to aid electronic transformation in Vietnam and also other global markets #Viettel #Goodbye_2G #technologywithheartLan t?a c? ??nh Lan to? di ??ng Lan to? thanh toán c??c Khuy?n m?i dành cho b?n D?ch v? doanh nghi?p Quay l?i D?ch v? doanh nghi?pAt Viettel, creativeness goes beyond ta