Iranian group defeated the very basic phenomenon of an iPhone Fingerprinting scanner, which allows them to unlock an iPhone device with multiple Fingerprints. The chance that Touch ID will misread a finger is 1 in 50,000, this is because Touch ID is not designed to capture the fingerprint in strict mode. It scans the fingerprint on a very high-resolution (2400 dpi), to get and match the partial parts of an impression for faster unlocking. Group set up a mixed Fingerprint scan of 5-6 people for an iPhone 5S handset (as shown in the video), which allowed all of them to. unlock the locked device with their individual fingerprint.
Source: https://thehackernews.com/2013/09/Apple-TouchID-fingerprint-scanner-hacking-unlock-iphone.html