User Manual

Cannot Log In to the Mobile Router Using a
VPN
If you are using your mobile hotspot while connected to a VPN, you might not be able
to access the mobile hotspot web page using http://attwifimanager.
To directly access the mobile hotspot web page hosted on the device, enter the address
http://192.168.1.1 in your browser.
The Mobile Hotspot Cannot Connect to a
Computer Running Windows Vista
A known issue exists whereby computers running Microsoft Windows Vista cannot obtain
an IP address from certain routers. More information and a fix are available at
support.microsoft.com/kb/928233, or visit the Microsoft support website and search
for knowledge base article 928233.
The Mobile Hotspot Does Not Connect to
the Cellular Network
If your mobile hotspot does not connect to your service provider’s mobile broadband
network, try the following suggestions:
•
Make sure that your SIM account is active. To check SIM status, contact your Internet
service provider.
•
If you use a prepaid SIM card, make sure that the account balance is positive.
•
If your mobile hotspot still does not connect, you might need to create or update
the default connection profile.
To check the default connection profile settings:
1. From a computer that is connected to your network, launch a web browser.
2.
Enter http://attwifimanager or http://192.168.1.1.
A login page displays.
3. Enter the mobile hotspot password.
The password is case-sensitive.
User Manual86Troubleshooting
Nighthawk 5G Mobile Hotspot Pro