How To Make Your Live Wallpaper Work. Click Play and the live wallpaper will appear on the desktop background. Then press choose a new wallpaper and select one from Apples live photos or use your own.
Make sure the tiny icon for live photos three circles is not slashed. Tap Set and choose Set Lock Screen. Then press choose a new wallpaper and select one from Apples live photos or use your own.
If there is you are all set you do need to install your own.
Open the Photos app. Find the downloaded live wallpaper select it and click Open. The app allows you to use YouTube videos as a live wallpaper. To set a live photo as your wallpaper go to Settings Wallpaper Choose a New Wallpaper and then select your Live Photos album.