Method One: Official restoration
Downgrade Description:
This tutorial is better suited to operate when iOS7.1.2 system validation is not closed
Operation Steps:
1. Now we'll connect the iphone ipad iTouch to your computer, and then we'll open the itunes software on the computer, as shown in the following figure.
2, and then after we open the itunes software, press the computer on the keyboard Shift (up button) the left mouse button click on itunes recovery.
3, then we choose to have already downloaded the IOS 7.1.2 firmware (download)
4, ok so just wait for iOS7.1.2 recovery on it, and after the recovery, we can quickly activate the product on the iphone Oh.
Tips: Small edit today to ios8.0.2 after the discovery is quite good to use, iOS8 problem I have been solved oh, as for the internet someone said that there is a problem, small series has not found OH.