Operating environment: OPPO Reno7, ColorOS v 12, setup software, etc.
1. Select the "Settings" option under the phone desktop.
2. Select the "Lock Screen Magazine and Wallpaper" option from the interface option set.
3. Select the "Set Wallpaper" option in the interface options to switch between lock-screen magazines and wallpapers.
4. Open and set the wallpaper interface. There are wallpaper and photo album options in the hiding options. You can choose according to your own choice here, and choose the "wallpaper" option here.
5. Then, enter the wallpaper interface option and select the "Apply" option from the pictures to be set as wallpaper.
6. Then enter the picture preview interface and select the "Settings" option.
7. Then select the option "Set as lock screen wallpaper only" in the pop-up options.