1. First, we find the settings button in the mobile phone, then open the settings and find the display.

2. Then we find wallpaper and lock screen style buttons in the display screen. First, let's set the wallpaper.

We click the photo album button instead of the wallpaper. We choose good pictures on the mobile phone and then cut them.

4. We can also set desktop wallpaper and lock screen wallpaper at the same time, which is much more convenient. After cutting the number, click the small tick button to set the Raytheon drawing wallpaper.