Modem not being put into download mode with qmi-firmware-update

[Paul Gildea]

Hi Aleksander!

Thanks for the reply. I am already using --override-download unfortunately!
But perhaps the bug is only occurring when trying to go to the same
version, I'll try to upgrade to another version and let you know.

Thanks,

--
Paul

On Tue, 20 Apr 2021 at 16:52, Aleksander Morgado <aleksander at aleksander.es>
wrote:

> ,Hey Paul,
>
> > I have noticed this several times with Sierra Wireless modems, when I
> try to perform a firmware upgrade they are failing as the modem does not go
> into download mode and I get "error: unsupported download protocol". Once
> this happens I have to do a full reboot of the system to make it work again
> as the behaviour is then consistent. In dmesg I can confirm that it is
> rebooting and going straight into application mode and thus fails. Any
> ideas what is going on?
> >
>
> Looks like the upgrade operation is trying to write a firmware version
> + carrier that already exists: 02.24.05.06,002.026_000,GENERIC
> When this happens, the modem just reboots itself selecting the desired
> firmware that already exists, without entering the download mode.
>
> You can override this by using --override-download in
> qmi-firmware-update; that should make it enter the download mode even
> if the same requested firmware+carrier versions are already installed.
>
>
> --
> Aleksander
> https://aleksander.es
>
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