Coming up with and generating 5G equipment in-residence empowered Viettel to actively roll out 5G for his or her cell network and associated expert services.Ng?n l?a Viettel ???c th?i bùng t? khao khát - h??ng t?i ki?n t?o m?t t??ng lai v??n t?m. Khát khao c?ng Hello?n luôn là ngu?n n?ng l??ng d?i dào ??a Viettel b?t phá gi?i h?n, v??t qua t