In this clip, you'll see how to use an iPhone 4G or 3G while making a phone call. Whether you're the proud owner of an Apple iPhone or perhaps just considering picking one up, you're sure to benefit from this free video tutorial. For more information, including a detailed overview, watch this iPhone user's guide.
Want to help support Gadget Hacks and get a great deal on some sweet new tech? Check out all the deals on the new Gadget Hacks Shop.