The mobile phone auto power off and auto reboot

Solutions:
The mobile phone can be automatically power off and reboot for various reasons, which should be checked in the following ways:
1. Please confirm carefully what operations have done before the problem occurs.
2. If there is a problem after installing some software, try to uninstall the software.
3. Try to upgrade the system version to the latest version.
4. Try to clear the data after backup.
5. In the Recovery mode, try to connect the Xiaomi assistant card brush or "manually select the installation package" try to flash in "system update".
6. If none of the above methods can solve the problem, it is suggested to bring the phone to the authorization after-sales service center for inspection.