Purported Apple iPhone 5S user guide diagram shows new Home button/Touch ID sensor
Motorola ATRIX 4G also offered one which users complained about. Too often, the sensor did not work right.
You might be wondering what the purpose of the fingerprint sensor is. The idea is to offer a more secure and faster way to unlock your phone. The sensor is also expected to be used to help secure identifications for mobile payments.
We are now closing in the 10 hour mark until the 1pm EDT start of Apple's event. Of course, we expect to see the unveiling of the Apple iPhone 5S, seen in the render that accompanies this article, and the budget priced Apple iPhone 5C. If you're wondering when you might actually be able to purchase the phones, the latest buzz calls for a September 20th launch. And yes, there are some people already waiting in line!
source:nowhereelse.fr (translated) via Engadget