Preparatory work
Now that we're out of prison, we can find a way to recover the system before we escape.
1. We first download a latest version of the itunes tool on the computer to install on the computer.
2. Let's make a backup of the data first, connect the phone to the computer, then we open the itunes software on the computer, click the IPhone button in the itunes window and click Enter.
3. Then into the itunes interface we clicked "Back up now" so that the data was backed up to the computer.
restoring the IPhone to an escaped state
First, we find in the Apple phone Press "power button" and then the shutdown state is off the machine.
Second, now we restart, the same is long press the power button has been pressed;
Second, then we then + press the Home button, until the screen is black screen;
Third, when the screen is black, please release the power button, the main screen home button do not release until the computer side of ITunes detected a recovery mode of the IPhone
2. Will now enter into the mobile phone in the recovery mode if not to try a few more.
3. If we enter the itunes interface click on "Restore IPhone" as shown in the following figure.
4. Then itunes will remind us that the recovery will lose all the data in the phone, we click the "Restore" button
In the process of recovery, we should not take the phone away or break the network, because the recovery process requires a period of time to download the iOS system OH.