A line of code in the new version of iPhone iOS 7 beta software seems to confirm rumors that Apple is adding fingerprint scanning technology to the next iPhone model, expected out sometime this fall.

The iOS 7 beta 4 release, made available to developers Monday, includes a folder called "BiometricKitUI" and command strings that describe the fingerprint scanning process.


bplist00_”enroll.tutor.image.label.left.hand_fingerprint.image_#enroll.tutor.image.label.right.hand_fingerprint.status_ Photo of a person holding an iPhone with their left hand while touching the Home button with their thumb_; A fingerprint that changes colour during the setup process._ iPhoto of a person holding an iPhone with their right hand while touching the Home button with their thumb_Recognition is

Developer Hamza Sood, who uncovered the strings, said the fingerprint sensor would be contained in the phone's home button.

iPhone home button to contain fingerprint sensor (found in beta 4) pic.twitter.com/tUlZ6xjeer — Hamza Sood (@hamzasood) July 29, 2013

Apple acquired fingerprint recognition chip firm AuthenTec last July, fueling rumors that the technology would be a key component to the next iPhone.