According to KGI Securities analyst Ming-Chi Kuo, Apple is planning on
eliminating Touch ID entirely in the iPhone 8 and replacing it with a new security system that's based on facial recognition. Facial recognition capabilities powered by new 3D sensors have
long been rumored for the iPhone 8, but it wasn't suggested until recently that the functionality would replace Touch ID entirely.
Kuo's prediction has been echoed by
JP Morgan analyst Rod Hall and
Bloomberg, with the site suggesting Apple will introduce an "improved" security system that will let customers unlock their iPhones and make Apple Pay payments with facial recognition instead of a Touch ID fingerprint sensor. Apple's 3D sensing facial recognition system is advanced and can unlock an iPhone within a few hundred milliseconds.
It's said to work even when an iPhone is set on a table, so it's functional from many different angles and should not be a hassle to use even when making payments at a terminal, and
evidence of this functionality was found in HomePod firmware. It captures more data points than a fingerprint scan, so it's more secure than Touch ID, and Apple is also using 3D depth perception techniques that will prevent the facial recognition from being fooled by a photograph.
Along with being able to detect a face when lying flat, the sensors in the iPhone 8 are also believed to keep the device unlocked as long as a face is in range, and the facial recognition feature also
mutes incoming notifications so long as a user is looking at the phone.
HomePod firmware hinting at a "resting unlock" feature for the iPhone 8. Pearl is the code name for the device's facial recognition technology.
Apple itself has confirmed that a facial recognition system is in the works, through an
accidental firmware leak. Buried in HomePod firmware that was released early, there are hints of what's coming in the iPhone 8. There are multiple references to infrared face detection in the BiometricKit framework that's used for Touch ID, confirming rumors suggesting the iPhone 8 will rely either partially or entirely on new facial recognition capabilities.
"FaceDetect" methods inside of BiometricKit address face detection circumstances like faces being too far or too close to the camera, the presence of multiple faces, and more, while additional references are made to infrared functionality, which confirms it will use new infrared sensors for facial recognition even in low light. Apple is said to be using a high pixel density front-facing camera and other
advanced sensors.
The code name for the facial recognition functionality appears to be "Pearl," but it's not yet clear what Apple will name the feature when it launches.
Based on
additional information found in the firmware, the iPhone 8's facial recognition capabilities are
likely to work with Apple Pay, perhaps allowing facial recognition to replace a fingerprint as an authentication method. Facial recognition can also be used by third-party apps and it may support multiple faces, much like Touch ID.