Source Article: http://www.iphonehacks.com/2019/08/kuo-2021-iphone-feature-both-under-display-touch-id-face-id.html
After ditching Touch ID with the iPhone X in 2017, Apple is possibly looking at bringing back the sensor with its 2021 iPhones. Reputed analyst Ming-Chi Kuo believes that the 2021 iPhone will feature both Face ID and an under-display fingerprint scanner.