Some carrier versions allow a "Check for Updates" button, but this simply queries the carrier’s server—it does not let you upload a file.
How to check manually (common steps):
On some T-Mobile FastMile 3.1 units, you can try:
http://192.168.12.1/upgrade.html
If accessible, you may see an "Install Update" button. If not, the carrier disabled it. nokia fastmile 5g gateway 3.1 firmware download
Let’s say you hear that your carrier released version 1.2501.00.0001 with better 5G stability. Here is your action plan: Some carrier versions allow a "Check for Updates"
To see what firmware you are running:
Example versions: 1.2302.100.1, CP_4.200.1, 1.2401.xx.xx If you cannot wait: