Lock or unlock your display, set a screen security lock type (pin, password, or pattern), get your PUK code, or request your device be unlocked from the AT&T network.
INSTRUCTIONS & INFO
To wake the device or put the screen to sleep, press the Power/Lock button.
Scroll to Personal, then select Security.
Select Screen lock.
Select the Desired screen lock type. Note: For this example, Pattern was selected.
Draw the Desired pattern, then select CONTINUE.
Redraw the Desired pattern, then select CONFIRM.