You can modify the advanced settings in Security and Privacy, and modify the lock screen time in Security. Taking Huawei mate10 as an example, there are the following steps:

Prepare the army: Huawei P20 , setting app, Hongmeng system.

1. In the settings interface of the phone, find the advanced settings and click to enter.

2. Find the security option and click to enter the security interface.

3. Find the automatic lock screen and click to enter.

4. You can set the lock screen time according to your own needs.

Notes:

1. The lock screen of Huawei mobile phones also provides the option to set an interactive screensaver to display customized pictures in the display settings. Find the steps to display the lock screen in the desktop and wallpaper. Number settings, etc.

2. Different models of sleep provide 6 time length options from 5 seconds to 10 minutes. Finally, there is a never option, which can keep the screen on and not sleep.