Viettel thong bao: Quy khach dang su dung dich vu Mobile Internet goi cuoc MI50. Tong luu luong Quy khach su dung trong thang truoc lon hon 490MB (tuong duong 70.000d). De tiet kiem hon, Quy khach co the dang ky goi cuoc Mimax, chi voi 70.000d/thang co 600MB truy cap tren toc do cao. Het 600MB khong tinh cuoc, toc do giam xuong 32/32Kbps. De dang ky, soan Mimax gui 191. L/H: 1818 (200d/phut). Tu choi tin 199, soan TC gui 199.