Now that a former biometrics executive says that the home button part leaked for the Apple iPhone 5S is indeed genuine, it is now time to consider exactly what the enhanced home button might look like; pictures of the leaked packaging for the Apple iPhone 5S show a circle around the handset's home button which one would have to think has to do with the fingerprint scanner...
Source: http://www.phonearena.com/news/Artist-draws-renders-of-new-Apple-iPhone-5S-home-button_id47222
Source: http://www.phonearena.com/news/Artist-draws-renders-of-new-Apple-iPhone-5S-home-button_id47222