Firmware update of MC7455 timing out.

Bjørn Mork bjorn at
Thu Jan 11 12:09:19 UTC 2018

Paul Gildea <gildeap at> writes:

> I notice that when the modem reboots and comes back up in the download mode
> (9070) it's has a different USB path than during application mode (9071)
> where /dev/ttyUSB2 is detected erroneously: Application mode: 2-3 (USB3)
> download mode:  1-6 (USB2). I suspect this is the issue.

This might very well be it!  Note that I have never tried firmware
updates on any USB3 connected modem, so I would not have hit this issue.


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