2. Enter the gallery, find the picture to set as the background of the mobile phone desktop, and then click Open.
3. After opening the picture, click the picture again. At this time, a line of text will appear at the bottom of the picture, and click "More".
4. Select "Set" in the pop-up list.
5. Select "Wallpaper" in the pop-up dialog box.
6. Enter the wallpaper settings page and click "Tick" in the upper right corner.
7. In the pop-up list, select "Set as Desktop".
8. Setup is completed, and the background of the mobile phone desktop has been changed.