Protect your personal information and prevent others from using
Droid Incredible 4G LTE by HTC
without your permission by setting a screen lock pattern, face unlock, PIN, or password.
You'll be asked to unlock the screen every time
Droid Incredible 4G LTE by HTC is turned on or when it’s idle for a certain period of time.
Slide the Notifications panel open, and then tap
Select a screen lock option and set up the screen lock.
Lock phone after, then specify the idle time before the screen is locked.
Tip: You can also clear
Make pattern visible or
Make passwords visible if you don’t want your screen lock to display as you enter it onscreen.