Con rw6828 cua minh chang hieu sao khong the hien thi duoc contact list sau khi contact list duoc restore tu file backup tai phien ban OS 5.1. May bao la phai danh bo nho cho hien thi, minh da lam bang cach dong tat ca cac phan mem ung dung nhung khong duoc. Cac ban co cach nao chi cho minh voi...