1. Open the Xiaomi 6 mobile phone interface, find the settings icon on the Xiaomi Mi 6 mobile phone desktop, and click to enter.

2. After entering the Xiaomi 6 mobile phone settings interface, click to enter the lock screen, password and fingerprint.

3. After entering the lock screen, password and fingerprint interface of Xiaomi 6 mobile phone, click to enter the automatic lock screen.

4. After entering the automatic lock screen interface of Xiaomi 6 mobile phone, select the automatic lock screen time.

5. Finally, you can see that the desktop lock screen time has been reset.