Sierra Wireless EM7455

[Bjørn Mork]

Stefan Armbruster <ml001 at armbruster-it.de> writes:

> I've built qmi-over-mbim branch for both, libqmi and libmbim. `make
> install` puts the stuff to /usr/local.
>
> However I always get "CID allocation failed", see below. Do I have to
> reset something beforehand? Upon startup of the machine modem-manager
> is loaded. Any hints?
>
> There's a another thread "Configuring network on Sierra EM7455: Lenovo
> x260" which should be pretty much the same hardware.
>
> Cheers,
> Stefan
>
>
> $> LD_LIBRARY_PATH=/usr/local/lib /usr/local/bin/qmicli -v -d
> /dev/cdc-wdm0 --dms-set-fcc-authentication

You need "--device-open-mbim".  And I also recommend using the proxy.
Always, really, but in this case also because you then can leave
ModemManager running while you issue the command without any problems.

So try:

 qmicli -v -p -d /dev/cdc-wdm0 --device-open-mbim --dms-set-fcc-authentication




Bjørn