4. Using Your iPhone as a Phone

Your iPhone is an amazing device, almost a notebook computer in your pocket. You can take photos with it, use it with FaceTime to have a video chat, use it as a personal assistant, keep track of your errands and events, check your email, browse the Web, play music, read books, play games, and carry out countless other activities with additional apps.

But don’t forget, your iPhone is also a telephone. And not just a simple phone, but one that helps you, among other things, keep and organize your contacts, view records of calls you’ve made, manage numbers you call frequently, conduct calls with ...

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