chao ban may x800 cua ban bi loi nhu vay nhung luc do ban co bo sim vao hay khong .co 2 cach de test xem coi may bi loi ban rom hay loi phan cung .cach thu nhat ban cho sim vao bat gsm len hien dau x ngay cot song la bi loi phan cung chu ko phai phan men dau neu hien len dau cham than thi coi...