If I set an Android 4.0 to use face recognition, after which I shave my head, will face recognition still work? I was reading about the new face recognition unlock of Android 4.0 and was just wondering that , if I should shave my head afterwards, the face recognition still would work ?
You can "recalibrate" face unlock by switching to another type of lock screen and back, as this causes a new reference image to be taken. Meanwhile you can unlock the device with secondary measures (either PIN or pattern unlock).