Quick boot screen of Xiaomi 5s after brushing.

There are many reasons why the flat panel of mobile phone displays black screen, white screen and flashing screen, such as system problems, software conflicts, screen damage and so on.

1. Press and hold the power button for more than 10 seconds, and then try to turn the machine on and off again. If the fault still exists, it is recommended to send the mobile phone to the nearest service center for testing;

2. It is recommended to uninstall the third-party plug-in program running before the black screen;

3. Back up mobile phone data (phone book, SMS, multimedia files, etc.). ) and restore the factory settings.

If the problem still exists, please bring the purchase invoice, maintenance card and machine to the service center, and the engineer will check the machine and deal with it.