1, enter the settings desktop and wallpaper wallpaper. Select a picture. On-demand selection: Blur: Blur the wallpaper. Slide the slider to adjust the blur level. Eye icon: preview effect. You can also click Scroll to make the wallpaper slide with the screen.

2. Unlock the mobile phone first, find and open the picture editing software on the main interface of the mobile phone, then select optimized matting in the right navigation bar, then select automatic matting, and click Save as transparent background after confirming the range.

3. First macaroon plays the map app, then open it and click "Add". Select the picture you want to add from the phone album, and click "Background". Click "Change Background" to make the background transparent. Let's click "tick". Then click "Finish".