Secure My Device

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


Prenote info

To learn more about requesting a device unlock for your AT&T mobile device so that it can operate on another compatible wireless network, visit If your device is locked and is requesting a "PUK" code, click here for instructions on how to obtain your PUK or PUK2 code.
1. SET UP A SECURE SCREEN LOCK: Swipe down from the Notification bar, then select the Settings icon.

Note: To wake the device or put the screen to sleep, press the Power/Lock button. You can also use KnockON. When the device is locked and sleeping, double-tap the center of the screen to wake up the screen. To lock the screen, double-tap an empty area on the Home screen or the Notification bar in any screen (except on the camera viewfinder).

Step 1

2. Select the General tab, then select Lock screen & security.

Step 2

3. Select Select screen lock, then select your desired screen lock type.

Note: For this demonstration, Pattern was chosen. If you set a Pattern lock and forget it, you will have to reset your device. See the Reset Device tutorial for alternate reset instructions.

Step 3

4. Review the Secure start-up prompt, then select the desired option. Select NEXT.

Step 4

5. Draw your desired pattern, then select NEXT. Repeat the pattern to confirm, then select CONFIRM.

Step 5

6. Select desired Lock screen notification setting, then select OK.

Note: To change lock screen notifications, swipe down from the Notification bar then select Settings icon > General tab > Apps & notifications > Notifications > Lock screen > desired option.

Step 6

7. LOG IN USING THE SECURITY LOCK: Press the Power/Lock button located on right side of the device. Draw your pattern to unlock the device.

Step 7

8. ADJUST THE SCREEN LOCK TIME: From the Lock screen & security screen, select Secure lock settings > select Lock timer > select the desired option.

Step 8

9. CHANGE THE SECURITY LOCK TYPE: From the Lock screen & security, select Select screen lock > enter your pattern > select the desired screen lock type and follow the prompts to complete set up.

Step 9

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