iPhone 4s. Exhaustive guide

If you have an iPhone 4S, then you will no longer have to wear a weighty tomik War and Peace, a laptop and player to pass time on trips or waiting for a friend to meet. Phone, favorite book, music, Internet, entertainment and useful programs will now always be at hand. It has already become a good tradition for Apple - every year to release a new iPhone. His latest model made Apple the leader in the smartphone market. It differs from its predecessor a higher performance, improved camera and voice helper Siri. Like iPhone 4, iPhone 4S has a stylish interface. This book is an affordable guide for iPhone 4S users, thanks to which you will learn about all the useful features of the smartphone, and still save a lot of time that would be gone to understand all the nuances yourself