How to change the background picture with a mobile phone 3.

Adding a mobile phone to change the background picture needs to be set in the setting options.

The operation steps are as follows:

1. Find the setting options on the phone desktop and click Enter.

2. After entering the setting options, find the display mode and click Enter.

3. After entering the display mode, find the wallpaper and click Enter.

4. After entering the wallpaper, find the picture to be replaced and click Replace.