1. As shown in the following figure, we can't drive. The apple phone will display the following icon, which means to tell us to use the phone to connect to the computer itunes (recommended reading: iphone connection computer tutorial)
2. Now we connect the Apple phone that can't be switched on to the computer, and then open the itunes software on the computer.
3. When itunes recognizes the iphone, it is in a mode of restoring the system.
If we do not show the following action
①, hand down the Apple phone's power button and home button
②, waiting for the iTunes tip on the computer to detect an iphone in recovery mode.
4. Now in the computer's itunes, we click on "Restore the iphone"
5. Then itunes will have a "restore" after checking the version and related information and we click Resume.
6. Now the system recovery is fast to see your network status, if the network is good and pretty fast system is 1GB more oh, it may take a long time.
7. Okay, after we recover the system, we just need to follow the water step on the iphone screen.