Secure My Device

Learn how to lock or unlock your display, set a screen security lock type (face, fingerprint, pin, password, pattern, or swipe), 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 to unlock your SIM card.
In this tutorial, you will learn how to:

• Set a security lock
• Change lock type
• Change lock screen timeout
• Set Lockdown mode
• Lock the device
• Log in using the security lock


Set a security lock

1. Swipe down from the Notification bar, then select the Settings icon

2. Select Lock screen. 

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3. Select Screen lock type

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4. Select the desired screen lock type and follow the prompts to complete set up.

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5. Edit Lock screen notification settings as desired, then select Done.

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Change lock type

From the Lock screen screen, select Screen lock type > enter your current screen lock > select the new desired screen lock type and follow prompts to complete set up.

Change lock screen timeout

1. From the Lock screen screen, select Secure lock settings.

Note: If you have a screen lock set up, you will be prompted to enter your screen lock to continue.

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2. Select Auto lock when screen turns off.

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 3. Select the desired timer duration.

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Set Lockdown mode

ENABLE: Lockdown mode turns off Smart Lock, biometrics unlock and notifications on the Lock screen. From the Secure lock settings screen, select the Show Lockdown option switch

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ACCESS: Press and hold the Side and Volume down buttons, then select Lockdown mode

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Lock and unlock device

Step 10

• LOG IN USING THE SECURITY LOCK: From the Lock screen, swipe up from the bottom of the screen then enter your current screen lock
LOCK DEVICE: Press the Side button located on the right of the device.

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