[Trisquel-users] Re : Thinkpenguin N Wifi USB

[lcerf]

I would try this solution:  
https://askubuntu.com/questions/463896/problem-im-my-key-3g-connection-activation-failed-in-14-04

Updating the kernel may solve the problem too:  
https://trisquel.info/en/wiki/update-linux-libre-kernel

You should create a new topic instead of hijacking an existing thread.