1. After upgrading to MIUI 12 system, find the phone setting button in the main interface and enter the related system setting interface;

2. You can find a wallpaper in the system settings, which is where you set the desktop wallpaper.

3. After entering the wallpaper bar, you can select the super wallpaper, set the wallpaper such as the information screen of the locked screen desktop, and select the system preset and your favorite locked screen wallpaper.

Method two, gesture operation

1. Press in the blank space of the main interface to pop up some deletion options, and click Modify Wallpaper in the lower left corner of the pop-up interface;

2. Enter the wallpaper modification interface and select the super wallpaper;

3. Find different super wallpapers such as Earth Home and Red Mars, and download them and apply them;

4. You can also check the preview effect. If it looks good, paint it quickly.