RING! RING! IT’S YOUR IPHONE CALLING The iPhone is a music player, a gaming system, a computer, and a mobile phone all wrapped up in one pocket-sized package. Your device can keep you in touch with friends and family, tell you what's going on in the world, and provide endless hours of entertainment. And those are just a few of its many capabilities! iPhone For Dummies offers the insight of two longtime Apple experts on how to make the most of your iPhone and its updated featu