Thank you for posting your inquiry in the Community!
I know how important it is to ensure your devices have the latest firmware updates.
You can find the latest version for all of our CGN3 and CODA modems located here: click here. The version you have referenced is the latest version for your specific modem.
I hope this helps!
@Alex4161 the post that you're looking for is this one:
Unfortunately it looks like @RogersIan has not updated that post to include firmware version 126.96.36.199