T-Mobile High-Speed Internet Gateway Operator 
Manual
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Issue: DRAFT Nokia 3TG-01275-AAAA-TCZZA 71
 
9.2 Prerequisite for all procedures
Use the procedure in this section to establish a connection from the PC, laptop, tablet 
or Smart phone to the T-Mobile High-speed Internet Gateway.
Procedure 10 Connecting to the Gateway
1 Connect your PC, laptop, smart phone, or tablet through one of the RJ45 Gigabit Ethernet 
LAN ports on the backside of the T-Mobile High-Speed Internet Gateway or establish a Wi-Fi 
or Mesh Wi-Fi 6 System from your device to the T-Mobile High-Speed Internet Gateway, and 
make sure that the Local Area Connection setting for your device is configured as “Obtain an 
IP address automatically”.
2 Open a web browser through your device and enter one of the following IP addresses in the 
address bar of the web browser: 
http://192.168.12.1
3 STOP. This procedure is complete.
9.3 Viewing the Overview screen
Use the procedure below to view the T-Mobile High-speed Internet Gateway web 
GUI Overview screen:
Note —  You will need to know the IP address of the T-Mobile 
High-Speed Internet Gateway. This information is located on 
the label located on the bottom of the gateway.
Note —  You will need to know the IP address of the T-Mobile 
High-Speed Internet Gateway. This information is located on 
the label located on the bottom of the gateway.