Yes indeed. Face Unlock was apparently from Ice Cream Sandwich and fell for this back in 2011: https://techcrunch.com/2011/11/11/android-facial-unlock-photo/ h

Yes indeed. Face Unlock was apparently from Ice Cream Sandwich and fell for this back in 2011: https://techcrunch.com/2011/11/11/android-facial-unlock-photo/ https://techcrunch.com/2011/11/11/android-facial-unlock-phot... That's a beta version and I can't guarantee it was true of the release version, but since all they were working with was the normal front facing camera I doubt they were able to make this secure.