iOS 7 adds a bit more movement to the old interface. New is the dynamic wallpaper. It’s an animated background designed to add just a little flavor to your iPhone’s home screen. It’s pretty easy to set it up. Let’s go over that now.
Set Dynamic Wallpaper
1) Go to Settings:
2) Under settings, go to Wallpapers & Brightness:
Here, you will see a “Choose Wallpaper” option. Tap on it.
3) Under the Wallpaper menu, look under Apple Wallpaper. Tap on Dynamic.
4) You can choose one of the options.
5) When you select a wallpaper, you will have to set it. you can choose the lock screen, home screen or both. It’s usually best to set both for the continuity between screens.
After that, you have a cool animated background.