What Is Face Unlock on Android?

Face unlock: Unlocks your device when your face is recognized. Stay on Lock screen: Remain on the Lock screen until you swipe even if you already used Face recognition.

How does face unlock work in Android?

For starters, it uses an infrared flood light to illuminate your face, which will work regardless of your surrounding lighting conditions as it’s outside of the visible spectrum. A secondary 30,000-point infrared laser matrix is then beamed out, which reflects off the flood light.

Is Face Unlock safe in Android?

Of course, if someone wants to get inside your phone that badly, it wouldn’t matter if the device used facial recognition, fingerprint biometrics, or a password. Facial recognition on Android is an incredibly well executed and secure system–at least according to my real-world testing.