Sierra Wireless EM7455

[Dan Williams]

On Fri, 2016-06-03 at 20:36 +0200, Ralph Plawetzki wrote:
> Am 03.06.2016 um 17:15 schrieb Dan Williams:
> > 
> > For allowed modes, combinations are joined with "|".  That's non-
> > obvious I suppose, though 'mmcli --help-modem' does say:
> > 
> >   --set-allowed-modes=[MODE1|MODE2...]   Set allowed modes in a
> > given modem.
> Thanks a lot for the correct syntax and the example below.
> 
> > 
> > But unfortunately the modem you have (or the plugin MM uses, which
> > I
> > guess here is MBIM?) doesn't support changing modes; you only get
> > the
> > "3g|4g" mode with no preference.  We don't yet know if/how MBIM
> > devices
> > can lock to specific technologies unfortunately; there doesn't seem
> > to
> > be anything in the MBIM spec to do so.
> Thanks for explaining the reason why this is not possible.

That said, if you can flip the device to QMI mode or use QMI-over-MBIM
you might be able to change the mode that way.  ISTR there's a way to
flip the device to QMI mode too, and I'd be curious if QMI works where
MBIM doesn't.

Dan