Uninstall all security guards, mobile phone butlers, mobile phone assistants, XXX masters, running software and battery butlers installed in your mobile phone. Don't install it, it's not necessary at all, and it will affect the performance of your mobile phone.

Mobile phones have their own LBE security software. If reinstalled, it will occupy internal storage space, conflict with LBE, and affect the performance of the mobile phone, and the battery manager will affect the battery performance. Running score software is an entertainment software, which has no meaning and affects the use of mobile phones.

Find the backup icon on the mobile phone desktop, usually in the security center, or in the backup in the settings, make a backup of the mobile phone data first, and then you can recover it later.

Then, turn it off.

In the off state, press and hold the volume up first, and then press and hold the on key to enter the recovery interface of Xiaomi. The volume key can be adjusted up and down, and the key is the confirmation key.

Select Simplified Chinese, Clear Data, Clear Cache, Data and All Data, and then select Restart.