Somewhere in the bowels of iOS 7 Beta 4 is a folder labeled "BiometricKitUI," which lends a bit of credence towards the rumors that the next iPhone might have a biometric sensor embedded in the Home button.

First spotted by Hamza Sood, a look at the code reveals the following:

Photo of a person holding an iPhone with their right hand while touching the Home button with their thumb.

Will the scanner be used for unlocking an iPhone or authenticating mobile payments? Maybe both, but unlocking the device, at the very least, seems likely, if true. [Hamza Sood via 9to5Mac]