In this tutorial, you will learn how to:
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• Access blocked numbers
• Block and unblock numbers
• Block a phone number from the call log
• Block unknown callers
• Use AT&T ActiveArmor Mobile Security
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Access blocked numbers
From theÂ
![phone](https://www.att.com/devicehowtomedia/image/inline_images/os13/google/phone_app_icon.png)
 Phone app, select theÂ
![Menu Icon](https://www.att.com/devicehowtomedia/image/inline_images/menu_DOTS.png)
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Menu icon then select
Settings. SelectÂ
Blocked numbers.Â
![Image 1 Image 1](https://www.att.com/scmsassets/device_help/mobile/motorolaxt24192_9006127_01.jpg)
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Block and unblock numbers
BLOCK NUMBERS: From the Blocked numbers screen, selectÂ
Add a number. Enter the desiredÂ
number, then selectÂ
Block.Â
![Image 2 Image 2](https://www.att.com/scmsassets/device_help/mobile/motorolaxt24192_9006127_02.jpg)
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UNBLOCK PHONE NUMBER: Select the
 X icon next to the desiredÂ
number. SelectÂ
Unblock to confirm.Â
![Image 3 Image 3](https://www.att.com/scmsassets/device_help/mobile/motorolaxt24192_9006127_03.jpg)
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Block a phone number from the call log
From theÂ
![phone app](https://www.att.com/devicehowtomedia/image/inline_images/os13/google/phone_app_icon.png)
 Phone app, select theÂ
Recents tab, then select and hold the desiredÂ
phone number. SelectÂ
Block number, then selectÂ
BLOCKÂ to confirm.
![Image 4 Image 4](https://www.att.com/scmsassets/device_help/mobile/motorolaxt24192_9006127_04.jpg)
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Block unknown callers
From the Blocked numbers screen, select theÂ
Unknown switch.
![Image 5 Image 5](https://www.att.com/scmsassets/device_help/mobile/motorolaxt24192_9006127_05.jpg)
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Use AT&T ActiveArmor Mobile Security
To automatically block calls from likely fraudsters, get alerts on suspected spam, and manually block calls learn more aboutÂ
AT&T ActiveArmor Mobile Security. Free for eligible users.