Open the Xiaomi Settings page.

Slide the screen left and right on Xiaomi's mobile phone, find the setting icon, click to enter Xiaomi's setting page, and click the wallpaper menu item in the opened page.

Choose wallpaper

In the wallpaper page that opens, click to select the folder where the wallpaper is located, and you will see the wallpaper picture of the mobile phone. Just choose a picture you like.

Preview and set wallpaper

Automatically open the preview page of mobile phone wallpaper, click the Use Wallpaper button below, and in the pop-up menu, you can choose to set the current picture as screen lock or desktop wallpaper or both, and select the required menu item to set wallpaper.