Secure My Device
Device Image

Samsung Galaxy Tab A (8.4) (SM-T307U)

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.


INSTRUCTIONS & INFO

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 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:

• 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.

Note: To set up face recognition, select the Face switch then 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 Lock automatically.

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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 Power/Lock button, then select Lockdown mode

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Lock and unlock device

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• LOG IN USING THE SECURITY LOCK: To use face recognition, from the Lock screen raise your phone in front of your face to unlock your device. To use your backup screen lock, from the lock screen swipe up from the bottom of the screen then enter your backup screen lock.
LOCK DEVICE: Press the Power/Lock button located on the right side of the device. 


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