What should I do if the Apple phone crashes at the after-sales outlets in Jing 'an District?

The solution of Apple's 6p mobile phone suddenly turning off the black screen;

First, the cause of the crash can't open the machine.

1. There are many kinds of mobile phones that can't be turned on. If there is a car accident.

Then don't make a fuss, just press and hold the "power button" and "home button" on the top of the phone at the same time.

3. If you hold it down at the same time and don't turn it on, please remember not to let go. Press and hold for about 10 second, and it will turn on normally.

Second, the reasons for the prison break

1. Many users reported that after the mobile phone escaped from prison, it could not be opened.

2. If you find that your phone can't start after jailbreaking or upgrading your system, you just need to connect itunes and then repair it.

3. Or use other mobile assistant software to repair.

Third, hardware failure.

The motherboard of Apple iphone is not a whole, and there are many small chips in it, including baseband, cpu, hard disk, wifi module, touch screen ic and so on. Many experts in small places don't know how to repair chips, so they suggest replacing the whole motherboard, which is very expensive.