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Thingy 91: unable to update modem firmware with mcboot

androbi

Hi all,

I am not able to update the modem firmware over usb/mcboot with the programmer on my Thingy91. I have tried both on linux and win 10, the problem is the same. The update process starts but hangs after "step 1":

The device continues to work after this. However, I can programm the hex applications for both mcus correctly. Currently I have modem firmware version 1.1.1 which seems to work, but I'd like to have a working upgrade path.

From what I could find on this forum, the modem firmware can not be flashed with mcumgr. So what to do? I have one of the edu mini J-Links which works great for programming and the RTT console, but I don't know if it could be used for updating the modem firmware. Any hints?

Kind regards, Claus

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    Update:
    I've just set up a windows 10 machine and have been able to successfully update the firmware. It paused after step 1, but continued to step 2 after a few seconds.

    nRF Connect v3.6.1 - Programmer
    nRF Connect sDK v1.4.99-dev1

    FW 1.2.2

    I hope this helps.

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  • 0

    Update:
    I've just set up a windows 10 machine and have been able to successfully update the firmware. It paused after step 1, but continued to step 2 after a few seconds.

    nRF Connect v3.6.1 - Programmer
    nRF Connect sDK v1.4.99-dev1

    FW 1.2.2

    I hope this helps.

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