1. Open the "Settings" application of Apple's mobile phone, find and click the "Wallpaper" option.
2. Options such as "Select a new wallpaper" and "Reduce the dark wallpaper to get a dark appearance" appear.
3. Click "Select New Wallpaper" and options such as "Dynamic Wallpaper", "Static Wallpaper", "Dynamic" and "All Photos" will appear.
4. Choose your favorite wallpaper photos according to your personal preferences.