[MM - plugin] Network mode change support on Netgear AirCard 340u.

[Aleksander Morgado]

On Mon, Apr 4, 2016 at 11:13 AM, Jarosław Bielski <bielski.j at gmail.com> wrote:
>> Could you gather debug ModemManager logs while the capabilities are
>> set to "gsm-umts" only? Get the modem registered in the network and
>> connected, while getting the logs, please. We should see what the
>> modem replied in each of the commands we send.
>
> It seems that setting mode to 2g only failed because the modem had set
> current bands to u2100 - I did not catch that band selection is "non
> volatile", it is obligatory after boot up/power on. After changing current
> bands to any I am able to switch the mode to 2g (the modem shows EDGE
> indicator on embedded LCD).
>
> I am not one hundred percent certain if mode 2g|3g with preferred none works
> correctly, because modem shows that it uses 4g. I have attached logs from
> two steps:
>  1. setting mode to 2g|3g, preferred none
>  2. connecting to the network by single-connect
>
> Thanks for the tips. I really appreciate your help.

Thanks for the logs. Both show that the modem ends up always in 3G,
never in 4G, so I think ModemManager is actually doing the right
thing. No idea why the LCD would say 4G :)

-- 
Aleksander
https://aleksander.es