Secure my device

Lock the device screen, set and change security lock, and locate device.

INSTRUCTIONS & INFO

By default, there is a 15 second default timeout before it locks. To lock your device screen, press the Power/Lock button.
Note:
An alternative method to wake your device or put your device to sleep is to use KnockOn. Simply tap the screen twice.
To unlock your device screen, press the Power/Lock button.
Touch and drag the screen in any direction.
To change security lock type, from the home screen tap the Settings icon.
Scroll to and tap Lock screen.
Tap Select screen lock.
Tap Knock Code.
Note: To learn more about requesting a device unlock for your AT&T mobile device, visit www.att.com/deviceunlock.
Tap NEXT.
Enter the desired knock code.
Re-enter the knock code, then tap CONFIRM.
To set a backup PIN, tap NEXT.
Confirm the backup PIN, then tap OK.
Select what information can be displayed on the lock screen.
To access the device using knock code, at the lock screen, tap the knock code sequence in the designated area.