Why does Xiaomi 4 sometimes have an elegant screen and automatically return after opening the application, that is, flash back?

1, which may be a system card. Restarting the phone will solve it.

2. The software is incompatible. Try to recover. How to enter the recovery: In the power-off state, press and hold the "Volume Increase Key" first, then press and hold the "Power-off Key", and let go to enter the recovery after the boot screen appears. If you can enter the recovery, please switch the system and back up the recovered data. If you can't succeed, you need to clear all data (address book, SMS, mobile phone application, etc. Will disappear).

3. There is something wrong with the mobile phone system, which cannot be identified. Whether you can enter Fastboot. Method to enter Fastboot: Press and hold down the "Volume Reduction Key" and then the "Shutdown Key" when the power-on screen appears, and then let go to enter Fastboot. Please connect your mobile phone to your computer and brush a complete system package with Miflash.

4, mobile phone hardware problems. At this time, you can only take your mobile phone to the maintenance office for repair.