First, use your own wallpaper.

1. Go to Settings > Desktop and Wallpaper > Wallpaper.

2. Choose a picture.

3. Choose the effect of wallpaper display according to the screen prompts. Such as blurring.

4. Click Apply and choose whether to lock the screen or set it at the same time.

Second, set the photos in the gallery as wallpaper.

1. Go to the gallery and find your favorite picture.

2. click four points > set as > wallpaper, and complete the setting according to the screen prompts.