Because it is the test version of the system, in all aspects are not stable, and want to ascend back. In addition to the current IOS8 upgrade beta version, need to add IPhone mobile phone Uuic developer account, if not, will appear can not be activated. So the overall total total reason, possibly some small partners want to brush back from the IOS8 beta version to the IOS7 system. In particular, it is said that the IOS8 beta system will be free to downgrade to the IOS7 system. This method will expire when the IOS8 system is officially released this September.
Tools/Materials
Method/Step
Because it is from the high version to the lower version, let the IPhone go into recovery mode first. Connect the IPhone to your computer and open the ITunes software. Then press and hold the Power key, and when the Shutdown option appears, slide the shutdown
Then follow the steps below to get the IPhone into recovery mode:
First, then press the power button to boot, the screen will appear Apple logo, do not release the power button;
Second, then press and hold the home button, until the screen black screen;
Third, when the screen black screen, please release the power button, continue to hold the home button, do not release until the computer side of ITunes detected an iPhone in recovery mode;
Note: If you cannot enter recovery mode, please do it several times.
Then, in the ITunes window, click on the "Recover IPhone" button,
Then please wait for the ITunes network to detect the current IOS system, which is the iOS7.1.1 version. When detected, will prompt us whether to restore, click the "Restore" button to continue,
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Then please wait for iTunes to automatically download the firmware system for the current iphone from the Internet and restore the firmware to the iphone. This method is slower than downloading the firmware manually, but you don't have to worry about what type of firmware you should download.