Mobile phone: iphone 12

System: iOS 14

Software: Setup 3.0

1. Prepare your favorite pictures first, and then click the "Settings" option on the phone screen.

2. Click "Settings" to enter the operation page and find the "wallpaper" option.

3. Click the "wallpaper" option, enter the operation page to find and click "Select a new wallpaper".

4. In the photo album where pictures are stored, click on the previously prepared pictures, select them and click "Settings".

5. Click "Set at the same time" to make both the desktop wallpaper and the lock screen wallpaper this picture. If you only want to use it as a lock screen wallpaper, click "Set Lock Screen" and set it according to your own needs.