Restore the Default Wallpaper on an Android Device

Works on Android 4.4.2

1. Settings→Display→Wallpaper→Home Screen
2. Choose a Live Wallpaper
3. Check the home screen to confirm the Live Wallpaper is working

Then:

1. Settings→Application Manager
2. Force stop the live wallpaper
3. Return to the home screen: your device is set to the default wallpaper