Secure My Device

Secure My Device

Lock or unlock your display, set a screen security lock type (pin, password, or pattern), get your PUK code, or request your device be unlocked from the AT&T network.


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 the back 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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