Setting up the Knock Code feature
1. Tap the Home button > touch and hold the Recent apps button >
Lock screen settings.
2. Tap Select screen lock > Knock Code.
3. Tap the squares in a pattern (from 6 to 8 taps) to set your Knock Code,
tap DONE, enter it again, then tap CONFIRM.
NOTE You'll be prompted to enter and confirm a back up PIN.
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, or password) that will need to be entered to
unlock it.
1. Turn the screen on.
Press the Power/Lock button .
OR
Quickly double-tap the center of the screen (KnockON).
NOTE Avoid covering the proximity sensor when turning the screen on. Doing so,
prevents the screen from turning on.
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