Lock the device screen, set and change security lock, and locate device.
INSTRUCTIONS & INFO
To lock the screen, press the Screen Lock/Power key.
To unlock the screen, press the Screen Lock/Power key.
Touch and drag the Slide up to unlock icon.
To set a password, from the home screen, tap the Menu icon. Note: Learn about the importance of adding a password on your device to protect your privacy as well as how to report a lost or stolen phone: www.att.com/stolenphone.