5s upgrade ios7.1.2 do not boot? Apple 4s upgrade ios7.1.2 no boot solution

1. We first go to Apple to download a ios7.1.2 system on the computer.

2. Then we connect the Apple 5s mobile phone to the computer, and then open the itunes software on the computer (if we do not need to open it automatically if it pops up)

3. We press the Power key in the computer at the same time 5 seconds and then press HOME10 seconds into the DFU mode, in itunes press shift not loose select "Restore", and then select the firmware you just under the start of recovery!

Another method uses third party tools to recover

1. Baidu Search Downloads a I4 assistant to download and install in the computer,

2. Then the same Apple 5s connection to the computer, and then according to the above prompts to exit the DFU mode, when the power-on while holding down the home and power keys, to the screen appears white Apple when you let go, you can exit DFU mode

Friendly Tips

If you do not have data backup, this recovery firmware mode will lose all the data in your mobile phone. Oh, online people to use OTA Air upgrade mode This is nonsense, the phone can not open the machine how can I use OTA mode to upgrade?