IOS7.1.2 to be officially updated, but because some children's shoes wrong upgrade, IOS7.1.2 upgrade after the iphone can not boot or restart, such as mobile phone problems, small series to tell you how to the iphone IOS7.1.2 downgrade ios7.1.1!
The main purpose of the IOS 7.1.2 update is to fix some problems, enhance the connectivity and stability of the ibeacon, increase the protection of mail attachment data, and correct the data transfer of third party parts.
According to Apple's instructions, the IOS 7.1.2 update fixes a sudden problem when connecting third party accessories, such as barcode scanners.
The iOS 7.1.2 update followed the iOS 7.1.1 update two months ago. The IOS 7.1.1 update resulted in improved touch IDs and keyboard responses. It is unclear how many maintenance updates Apple will release before the IOS 8 is officially released.
Apple also provided an Apple TV 6.2 update, but did not disclose specific updates.
Again, you need to have your IOS 7.1.1 firmware pack and be careful with your device model.
IPhone IOS7.1.2 downgrade IOS7.1.1 Tutorial:
Get your device into recovery mode. How to: Shut down and then connect to the computer, first hold down the home key until the device shows the recovery mode (the screen is displayed as a data cable and iTunes icon).
Run ITunes, hold down the Shift key and click Restore (Windows), and if it is a MAC system, hold down the Option key.
Locate and select the IOS 7.1.1 firmware package you just downloaded.
The recovery process will begin, and once the device is restarted, you can activate it as a new iPhone or IPAD, or you can restore data through backup.
Since Apple has turned off previous versions of system verification, the downgrade can only be restored to IOS 7.1.1.
