1. To lock the device and turn off the display, press the Power/Lock key.
   
2. To wake your device and access the Lock screen, press the Power/Lock key.
   
3. Alternatively, you can wake your device using KnockOn. Double tap the screen to wake your device.
   
4. Swipe in any direction at the Lock screen to unlock your device.
   Note: To learn more about requesting a device unlock for your AT&T mobile device, visit www.att.com/deviceunlock.