1 Click the gear setting icon.
Enter the setting interface and click the column of security and privacy.
3 Enter the security and privacy column, and click the lock screen and password.
4 Enter the lock screen and password interface.
5 Slide the key on the right side of the step displayed on the lock screen to the left to close it.
If you need to restart this function, you can restart it according to the following steps: Settings-Security and Privacy-Lock Screen and Password-Show on Lock Screen.