If you set the same image as both the Lock Screen and Home Screen on iOS4, when you Slide to Unlock, the background stays in place while the icons slide into position. With different images, the screen does a quick fade-to-black-and-back.
If you set the same image as both the Lock Screen and Home Screen on iOS4, when you Slide to Unlock, the background stays in place while the icons slide into position. With different images, the screen does a quick fade-to-black-and-back.