On the new iPhone 4 and in iOS 4 you are able to set a wallpaper as a background. In the past, wallpapers were only used on the lock screen and in this clip, you will see just how easy it is to set the old lock screen as well as the screen behind your app keys. This feature was only available on jailbroken devices in the past and now it is totally safe and made especially for you, by Apple.
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