tinh hinh la moi unlock xong con I896 (roger) thi gap tinh trang goi cho nguoi khac chi nghe tieng "se se"thoi nhung nhan tin thi van binh thuong. Khong bit la bi gi nua, may dang xai ROOM 2.1. khong bit bay gio mua code cua nha mang thi co khac phucduoc khong nua?Co ai bit bi gi thi chi giup, thanks