Enabling Quectel EM05-G Modem on Linux

5.00 avg. rating (94% score) - 2 votes

My new Thinkpad has a Quectel EM05-G modem. For some reason it refused connect, even though it showed up in Gnome settings on Ubuntu 22.10. I checked with “mmcli -m 0 and it said “sim missing” as its state.

After some Googling it appeared the modem ships in some kind of a locked state, so it only works in Windows. I checked with “mbimcli”:

It was easy to unlock:

After this, Gnome was able to enable the mobile broadband connection without problem.