User Manual
Page 45
... Unlock. 3. You can also tap Improve face matching in the Security screen to train HTC One VX to unlock the screen every time HTC One VX is locked. You'll be asked to recognize your face in case the phone doesn't recognize you 're wearing glasses or sporting a beard. Slide the Notifications panel... open , and then tap > Security. 2. The shortcuts on your phone as easy as looking at it...
... Unlock. 3. You can also tap Improve face matching in the Security screen to train HTC One VX to unlock the screen every time HTC One VX is locked. You'll be asked to recognize your face in case the phone doesn't recognize you 're wearing glasses or sporting a beard. Slide the Notifications panel... open , and then tap > Security. 2. The shortcuts on your phone as easy as looking at it...