You can change the background of your home screen with Wallpaper setting.
- Select Menu > > Display settings > Wallpaper.
- Select Default to see the available wallpapers.
- Scroll to a wallpaper and select View to see how it looks on the screen.
- Select Choose and then the option to position the wallpaper on the screen.
You can also select a wallpaper from the photos you have on your phone.