1, open the "Settings" of the phone.
2. In the settings menu, find and click "Desktop and Wallpaper".
3. In the desktop and wallpaper settings, select "Lock screen wallpaper".
4. Choose your favorite picture as the lock screen wallpaper from the options provided.
5. If necessary, you can also choose different wallpaper styles, such as time screensaver and personal photo album.
6. After the setting is completed, return to the main screen, and you can see that the new screen lock wallpaper has taken effect. Mobile phone screensaver, also known as screensaver, is a program to prevent the same screen from being displayed for a long time. Its main function is to prevent the screen from displaying the same picture for a long time because of unattended operation, which can prevent the screen from aging, thus prolonging the display life of the mobile phone screen.