1. BLOCK A DEVICE: From your device's web browser, go to http://attwifimanager. Enter your Admin Password, then click Login.
   Note: Ensure that your device is connected to the AT&T Unite Express 2's Wi-Fi network. For more information, please see the Connect Devices to Wi-Fi or Connect PC or Mac to Wi-Fi tutorials.
   
2. Click Security, then click Access Controls. Select the Block list from the MAC Filter Mode dropdown menu. 
   
3. Enter the device's Name and MAC Address, then click the Add icon. 
   Note: To add a device that is currently connected to the network, click the Add icon then click the desired device.
   
4. Click Save when finished.
   
5. UNBLOCK A DEVICE: From the Access Controls screen, click the X icon next to the desired device.
   
6. Click Save when finished.