em nhận con N9 RM-696 bật nguồn báo lỗi
WARNING! You have modified the device software, making the warranty permanently void. The safety/security features of the device may also be disabled or non-operational. Any continued use of the device may harm you and/or the device and will be at your own risk, and you agree not to hold Nokia, its affiliates, customers, or contractors liable for any failures of the device. If you do not accept these risks, you are advised to switch off the device and reinstall a Nokia authorized operating system.
đem atf flash vẫn ko đc , mong cao nhân chỉ giáo ạ