If Apple included a paper user manual with the iPhone 6 and iPhone 6 Plus that included explanations of each and every feature, it would be the size of a phone book. The iOS platform simply packs too many features to cover them all at once, but that’s one of the great things about it. Even if you’ve been an iPhone user for years, there are still hidden features that are waiting to be discovered.
and just keeps going! PYBT: 10 hidden tricks that could completely change the way you use your iPhone, and enjoy the ride.
Graphic from the article