Had that on one of mine too (my main one I used for many years). Yes thats very bad, nearly unfixable and you can only use it with a second phone which provides a hotspot.
But in case you want to get rid of it it would be great if you sent it to the team for development purposes (You can reach them on their mailing list https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/maemo-leste) or even I would be happy if you send it to me, so that I have spare parts and maybe I will dare to try to fix the modem.
(Some people had success with stripping all temperature sensitive parts and plastics from the mainboard and baking the mainboard in the oven)
In case you want to to keep it, believe me, I fully understand :) Maybe one day you will get the urge to fiddle with it again.


In this case I would. Its from the Snowden leaks and from the government for the government, never intended for our public eyes.
Also if you don’t fully trust tor, just add another layer (e.g. VPN). If the government dissuades you from secure open infrastructure and gets you to use closed ones, they have won because companies can always be forced to comply. Algorithms on the other hand, can’t.