Apple IPHONE4/4S/4 upgrade IOS7 fail show cable connect itunes

Source: Internet
Author: User

First, this situation is mostly the jailbreak machine, the jailbreak machine upgrade iOS7 need to enter the DFU mode.


Second, enter the DFU mode method: Data cable connected to the computer, it is best to shut down itunes and shutdown. Press the home key while pressing the power button and so on when the Apple flag appears. Then keep the two keys pressed at the same time for 10 seconds after releasing the power button. Wait another 15 seconds before releasing the home key.
Third, opening itunes at this time prompts for a device that needs to be recovered and upgraded.

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