1. CHECK BLOCKED DEVICES: From your device's web browser, go to http://attwifimanager. Enter your Username and Password, then click SIGN IN.
   Note: Ensure that your device is connected to the Netgear Nighthawk'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 SETTINGS at the top of the page.
   
3. Click Security, then click Access Controls. Blocked devices will be displayed under BLOCKED DEVICES.
   
4. To unblock a device, click the checkbox next to the desired device then click DELETE. Click Apply when finished.
   
5. CHECK NETWORK STATUS: The signal strength will be displayed on the first home screen of the device.
   
6. The signal strength is also displayed on the AT&T Wi-Fi Manager website. From the DASHBOARD screen, Signal Strength will be displayed under Device Information.