In this tutorial, learn everything you need to know about how to use the new iOS4 on your iPhone 2G, 3G or 3GS. In this clip, get a walkthrough of the update and learn how to use all the new features: multitasking, folders, wallpapers and so much more. If you are unsure how to get up and running or would like to see if updating it right for you - have a look at this helpful video.
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