fcc unlock error on X13 gen 2 with Qualcomm X55 chip

[Aleksander Morgado]

Hey,

>
> I recently purchased an X13 gen 2 with the Qualcomm X55 5G chip and am running into an error when attempting the fcc unlock via qmicli:
>
> # qmicli -p -d /dev/wwan0mbim0 --dms-foxconn-set-fcc-authentication=0 --device-open-mbim
>
> error: couldn't run Foxconn FCC authentication: QMI protocol error (17): 'MissingArgument'
>
> Output from verbose mode is uploaded at:
> https://paste.c-net.org/FiggerCabot
>
> I've read through the email thread below regarding the fcc-unlock development for the X55 chip but it appears that this is possibly a separate issue? I would appreciate any guidance on getting this resolved.
>
> https://www.mail-archive.com/modemmanager-devel@lists.freedesktop.org/msg06623.html
>

I believe Foxconn updated their FCC unlock command in some newer
firmware release, due to the previous one being reverse engineered and
included in libqmi. I know Lenovo is working on setting up a new FCC
unlock tool of their own, so you may want to wait until that is ready.

-- 
Aleksander
https://aleksander.es