https://wccftech.com/apples-iphone-13-could-feature-in-display-optical-fingerprint-scanner/

Apple's iPhone 13 is still months from being announced and we're hearing plenty of details on how the device could make giant leaps forward. According to the latest, the iPhone 13 will feature an in-display fingerprint scanner. The fingerprint scanner will co-exist alongside Face ID as a secondary option, The notion was made taking into account the new Galaxy S21 and something that we can expect in the iPhone 13.

The news comes from The Wall Street Journal's Joanne Stern, Take note that this is not the first time we are hearing details on Touch ID coming back to the iPhone lineup. Previously, Ming-Chi Kuo also pointed the reincarnation of the biometric option on future iPhones. The second layer of authentication could work in situations where Face ID fails to do its job, wearing a mask for instance.