How to change the wallpaper of Apple mobile phone?

Take the iPhone XS mobile phone as an example, the operation is as follows:

1. Click on the phone desktop to open "Settings".

2. Click "Wallpaper" again.

3. Click "Select a new wallpaper".

4. Click to select a wallpaper type.

5. Click on your favorite wallpaper picture.

6. Click "Settings".

7. Finally, click "Set at the same time".