Mu0n dung kb mien phi cua mang viettell rat don gian.cac ban soan tin theo cu phap sau: 3g on gui 161,lam nhu vay thi sim binh thuong se duoc hon 50000kb,con sim hoc sinh va sinh vien duoc h0n 60000kb.cu tai thoai mai ma khong so ton tien | Trang chu |
