This class of devices can be in multiple configurations. the OpenBSD driver doesn't have a way of changing the mode of the device, either permanently or temporarily, and we also lack a way of updating the firmware, which can also be desirable.
I've heard there is some Windows tooling that can do the job. Edward Crawler <[email protected]> wrote: > Hi People, > > I have a Sierra Wireless MC7455 LTE module. > When I plugged in the module, OpenBSD attachs it as "umsm" > Is there any AT command to attach this module as "umb" instead of "umsm" ? > > > dmesg output: > > umsm0 at uhub0 port 2 configuration 1 interface 0 "Sierra Wireless, > Incorporated Sierra Wireless MC7455 Qualcomm\M-. Snapdragon? X7 LTE-A" rev > 2.10/0.06 addr 3 > ucom0 at umsm0 > umsm1 at uhub0 port 2 configuration 1 interface 2 "Sierra Wireless, > Incorporated Sierra Wireless MC7455 Qualcomm\M-. Snapdragon? X7 LTE-A" rev > 2.10/0.06 addr 3 > ucom1 at umsm1 > umsm2 at uhub0 port 2 configuration 1 interface 3 "Sierra Wireless, > Incorporated Sierra Wireless MC7455 Qualcomm\M-. Snapdragon? X7 LTE-A" rev > 2.10/0.06 addr 3 > ucom2 at umsm2 > umsm3 at uhub0 port 2 configuration 1 interface 8 "Sierra Wireless, > Incorporated Sierra Wireless MC7455 Qualcomm\M-. Snapdragon? X7 LTE-A" rev > 2.10/0.06 addr 3 > ucom3 at umsm3 > umsm4 at uhub0 port 2 configuration 1 interface 10 "Sierra Wireless, > Incorporated Sierra Wireless MC7455 Qualcomm\M-. Snapdragon? X7 LTE-A" rev > 2.10/0.06 addr 3 > ucom4 at umsm4
