The iPhone 5S get a fingerprint scanner used in the home button that a little bit bulge convex and is made of sapphire.
That suggests Ming-Chi Kuo, analyst at KGI, to 9to5mac. He has regularly correct predictions in the past about Apple products. The home button prevent scratches and damage, the button is made of sapphire instead of plastic. Sapphire is a very strong material that Apple use to his screens. Kuo expects that the camera lens on the iPhone and other iOS products will also get a fingerprint scanner in 2014.
According to the latest rumors will the iPhone 5S and the iPhone 5C (Cheap version) announced on September 10th. The name recently surfaced through a leaked photo showing the packaging of this phone.
AppleInsider speculates that the "C" in is for color. The cheaper iPhone 5 is rumored to come on the market in various bright colors.
The Japanese Macotakara confirms the name and also says that Apple will also release a gold-colored iPhone 5S. The iPhone 5C is anyway expected in many different colors. Prices for these new iPhone 5C are still unknown.