Sau day minh xin chia se voi ae m4v voi 20k duoc tang 130mb cua viettel cho may 2g. Cai nay nhieu ban dung 3g chac da biet nhung con 1 so ae dung 2g chua biet. Dau tien lay sim lap vao may co 3g hay may trung quoc (Q-mobile...) Soan tin: 3G ON gui 161(10k) de dang ki. Xong lap sim vao lai dt cua ban. Bam *102# thay co 30mb. Dung het 30mb nay roi tip tuc soan tin: MIU10 gui 191(10k) bam *102# thay co 100mb. Ae test nao P/s: khi dung het 100mb ae co the dang ki lai goi MI10 ma khong can dang ki lai 3G. Ai biet roi dung nem da vo mom e