[Bug 263783] USB MBIM: Support for LTE/4G USB modems (MBIM)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263783

--- Comment #107 from Alexander Burke <alex-freebsd-bugs@alexburke.ca> ---
(In reply to Tomasz "CeDeROM" CEDRO from comment #101)
>Hmm on my laptop there is a hidden menu in BIOS SETUP under the password "toughkit" where you can set "Wireless WAN ID" to 15 in order to get the modem running.

This is a Panasonic-proprietary setting which determines which devices the BIOS
will accept, and possibly configures the multiplexing (WLAN and WWAN onto the
same antennae). 13 also works, but I don't know the difference between the two.

For those who have locked Sierra modules (FCC or ENTERCND or both), there is an
online keygen at https://sierra-keygen.uu.sg/ (a hosted version of what is
linked below) which can be used as follows:

Figure out the modem ID required for the challenge/response (and more info
here):
https://github.com/bkerler/edl/blob/master/sierrakeygen_README.md

AT!ENTERCND="A710"
AT!PCFCCAUTH?

If FCC lock is 1:

AT!OPENLOCK?
AT!OPENLOCK="xxxxxxxxxxxxxxxx"
AT!PCFCCAUTH=0
AT!PCFCCAUTH?
AT!RESET


On the other hand, if ENTERCND != "A710":

AT!OPENLOCK?
AT!OPENLOCK="xxxxxxxxxxxxxxxx"
AT!SETCND="A710"

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