If you picked up a new iPhone 5s this year, you’d better take good care of its home button, because you can no longer pick up a cheap replacement on eBay and fit it yourself. The repair experts at mendmyi have discovered that Apple pairs every Touch ID sensor with an A7 chip, and if you install a home button that doesn’t match up, Touch ID simply won’t work.
Apple Pairs Every Touch ID Sensor To Its A7 Chip To Make Them Super Secure
