You can change the background image on your home screen or lock screen.
You can set the wallpaper for the external display when your phone is closed.
To set the wallpaper for the home screen, when your phone is open:
Touch & hold a blank area on your home screen, then tap 
Do one of the following:



Tap 
If your battery is low, temporarily change wallpaper to a static image to save power. Or, touch the wallpaper to pause its motion, if supported.
Stylize your photos with AI visual effects and use them as wallpaper.
