- To change the Lock screen security type, from the home screen, swipe down from the Notification bar.
- Tap the Settings icon.
- Swipe to the MY DEVICE tab, then tap Lock screen.
- Tap Screen lock type.
- Tap the desired option.
Note: For this demonstration, tap 'Pattern'. - Draw the desired unlock pattern, then tap CONTINUE.
- Re-draw the chosen pattern, then tap CONFIRM.
- Enter the desired backup PIN, then tap CONTINUE.
- Re-enter the chosen PIN, then tap OK.
- Select the desired option, then tap DONE.
- To change the Lock screen security type, from the Lock screen menu, tap Screen lock.
- Draw the current pattern.
- Tap the desired option, then follow the on-screen prompts to set up.
- To lock your device, press and hold the Power/Lock key.
- To unlock your device, press the Power/Lock key.
- Draw the selected pattern at the Lock screen.
Note: To learn more about requesting a device unlock for your AT&T mobile device, visit www.att.com/deviceunlock. If your device is locked and is requesting a "PUK" code, click here for instructions on how to obtain your PUK or PUK2 code to unlock your SIM card.