If you use a Xiaomi mobile phone and want to modify the mobile phone wallpaper, you can change your favorite lock screen wallpaper according to the following methods:

1. Enter Theme Wallpaper-Wallpaper-Select Favorite Wallpaper-Set as Wallpaper.

2. Pinch your finger on the desktop to enter the editing interface, select "Modify wallpaper" and set your favorite wallpaper.

3. In the photo album, select your favorite pictures or photos, and click More-set as wallpaper.