Secure My Device
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Secure My Device
Learn how to lock or unlock your display, set a screen security lock type (intelligent scan, face, iris, fingerprint, pin, password, pattern, or swipe), get your PUK code, or request your device be unlocked from the AT&T network.
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 www.att.com/deviceunlock. 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:
From the Lock screen & security screen, select Select screen lock > enter your current screen lock > select the desired screen lock type and follow prompts to complete set up.
• Set a security lock
• Change lock type
• Change lock screen timeout
• Lock the device
• Set Lockdown mode
• Log in using the security lock
Set a security lock
1. Swipe down from the Notification bar, then select the 
Settings icon.
2. Select the General tab, then select Lock screen & security.
Settings icon. 2. Select the General tab, then select Lock screen & security.
3. Select Select screen lock, then select the desired screen lock type and follow the prompts to complete set up.
Note: To set up Fingerprint lock, select the Fingerprints switch then follow the prompts.
Note: To set up Fingerprint lock, select the Fingerprints switch then follow the prompts.
4. Edit Lock screen notification settings as desired, then select OK.
Change lock type
From the Lock screen & security screen, select Select screen lock > enter your current screen lock > select the desired screen lock type and follow prompts to complete set up.
Change lock screen timeout
1. From the Lock screen & security screen, select Secure lock settings.
2. Select Lock timer, then select the desired timer duration.
Set Lockdown mode
ENABLE: From the Secure lock settings screen, select the Show lockdown option switch. 
USE: Press and hold the Power/Lock button, then select Lockdown. 
Lock and unlock device
• LOG IN USING FINGERPRINT SECURITY: Press the Power/Lock button located on the right side of the device. Place and hold your finger on the fingerprint sensor located on the back of the device to unlock.
• LOCK DEVICE: Press the Power/Lock button located on the right side of the device.