1. To lock the device, press the Power/lock key twice.
   
2. To unlock the device, press the Power/lock key.
   
3. Touch and drag the Unlock icon to the center of the screen.
   
4. To launch Calendar, Phone, Messages, Email, or Camera from the lock screen, drag the corresponding icon to the center of the screen.
   Note: To learn more about requesting a device unlock for your AT&T mobile device, visit www.att.com/deviceunlock.