T-Mobile High-Speed Internet Gateway Operator 
Manual
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Issue: DRAFT Nokia 3TG-01275-AAAA-TCZZA 43
 
The screen on the top of the T-Mobile High-Speed Internet Gateway displays the 
T-Mobile logo with three screens appearing with sequential dots. After about 4 
seconds, concentric circles appear from the center of the LCD screen outwards. The 
booting process is complete when:
• “CONNECTION” appears on the top of the LCD
• up to five bars appears indicating signal strength
• six small dots indicating the screen that appears
If the T-Mobile High-Speed Internet Gateway is to use 4G/LTE or 5G service, the 
results of searching for 4G/LTE and 5G signals will be shown through the LCD in a 
couple of minutes. Check the LEDs as described in section 5.6 and follow the actions 
indicated in the section.
5.4.1 T-Mobile High-Speed Internet Gateway on boarding 
is not successful
If after the boot up process, the LCD screen does not show:
• “CONNECTION” appears on the top of the LCD
• up to four bars appears indicating signal strength
• six small dots indicating the screen that appears
Instead “LANGUAGES” appears on the LCD screen with the choice of ENGLISH or 
ESPANOL.
Tap to select the preferred language.
The T-Mobile logo and the Wi-Fi symbol appears. Tap to toggle between the 
T-Mobile App advertisement and the QR code.
While showing the QR code, use the QR code scanner on your phone to scan the 
QR code with your mobile device. When scanned correctly, a check mark appears 
on the LCD screen. Wait approximately five seconds.
The booting process is complete when:
• “CONNECTION” appears on the top of the LCD
• up to four bars appears indicating signal strength
Then, the App submit a new Wi-Fi SSID and password screen appears.
Tap the screen.
The name of the Wi-Fi service appears on the LCD screen indicating that it is 
READY.
Wait approximately five seconds.