Usage Guide:

1. Long-press on the Home screen until a settings menu appears.
2. Tap "Wallpaper" to enter the settings interface, where you can separately set the "Lock Screen" and "Home Screen".
3. Tap "Change Wallpaper" to access the wallpaper gallery. You can choose from:

• "on-device Wallpapers "
• "Live wallpapers"
• "My photos"
• "Wallpapers"

After selection, tap the "Set" button (or similar confirmation button), then choose "Lock Screen" or "Home Screens" to complete the setup.