Learn how to Set Screen Lock on your HTC One M8. Help protect your personal information and help prevent others from using HTC One without your permission.
Choose to set a screen lock pattern, numeric PIN, or other means of securing your phone.
You’ll be asked to unlock the screen every time HTC One is turned on or when its idle for a certain period of time.
Note
You can also clear Make pattern visible or Make passwords visible if you dont want your screen lock to display as you enter it onscreen.