Book excerpt: This book is the best user manual you need to guide you on how to use and optimally maximize your iPhone. Millions of people all over the world are iPhone users! Simply because iPhone cell phone is a hugely popular smartphone that offers many advances and convenient features, including a camera like no other, Siri, turn-by-turn driving directions, a calendar, and a lot more. But if you're acquiring the iPhone 8, and iPhone 8 Plus, for the first time, or you probably need more information on how to use your device optimally, and that is why this book is your best companion. It is the complete guide for you, as you would get simplified follow-through instructions on every possible thing you should know about iPhone 8, and iPhone 8 Plus, how you can customize the iPhone as well as amazing Tips & tricks you never would find in the original iPhone manual.