As the iPhone continues to develop, it can be a challenge to keep up with its new releases and impressive features. Revolutionary developments introduced by iOS 5 and the iPhone 4S mean its often difficult to know where to start. The 101 Essential Tips & Tricks is here to make your life a little easier, by selecting the very best hints to extend the functionality of your iPhone. Featuring Apple and third-party apps, this comprehensive guide will allow you to easily and quickly transform your smartphone into something special.