To unlock the phone

If you don’t use the phone for a while, the screen and backlight will turn off to conserve battery power. To unlock the phone’s default Lock screen:

NOTE

The default Lock screen simply locks the screen to prevent unintentional actions. For more security to guard against unauthorized use, you can set an unlock requirement (such as a Knock Code, Pattern, PIN, Password, or Fingerprints) that will need to be entered to unlock it.

  1. Turn the screen on.

NOTE

Avoid covering the proximity sensor when turning the screen on. Doing so, prevents the screen from turning on.

OR

To unlock the phone 

  1. From the center of the screen, swipe in any direction to unlock it.

NOTE

You can set the shortcut apps you want in the Lock screen settings.