Firmware upgrade for em7345 on Lenovo laptops

[Andreas Fett]

Hi Aleksander,

>> the modem firmware on the Sierra Wireless em7345 seems to have some
>> issues. We've had recent reports from the Netherlands and some parts of
>> Germany (depending on the provider) that the modems stopped working.
>>
>> Based on kernel and modemanager logs the modem disappears from the usb
>> bus and reappears with a strange product/vendor id ("1 cdc") just after
>> a successful connect. ModemManger obviously fails to redetect the modem
>> after that (it's ok after a reboot). The Lenovo forums have reports of
>> this happening with Windows, too.
>>
> 
> Got a link?

https://forums.lenovo.com/t5/ThinkPad-Tablets/Sierra-Wireless-EM7345-ThinkPad-8-and-10-general-issues/td-p/1839763

https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/Sierra-Wireless-EM7345/td-p/2046489

and

https://zukota.com/sierra-wireless-em7345-how-to-flash-the-latest-firmware/

I can provide some ModemManager an Kernel Logs, too in case you're
interested. But they're probably a better fit the ModemManger list if
this is no qmi based modem?

> No, this module is an Intel-based Sierra module, there's no QMI
> support there I'm afraid.
Too bad.

Andreas

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