1.This firmware is only for US hardware version.
2.Incorrect upgrade will damage your device.
3.Please upgrade your device by cable connections.
4.Do not power off the device when upgrading.
5.Please unzip the file you downloaded and use the file ended with "bin" or "trx" to upgrade your device.
UG - 3,4,5,8A and 11, Devika Tower,Nehru Place, New Delhi, India - 110019