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Full modem firmware update for modem v1.3.0

AndreasPettersson

I am working in a project where we want to be able to do full modem firmware update with FOTA for modem version 1.3.x. According to the release notes, in order to do this, we need to use the .cbor file in the zip from the release.

I have tried to follow the example in samples/nrf9160/http_update/full_modem_update. This sample however only uses v1.2.1 and v1.2.2. Can I follow the same steps for v1.3.x using the .cbor file? Or do I need to do something more? Like some digest?

I have modified the sample to fit my project. My hardware has a nrf9160 which downloads the firmware via LwM2M. The hardware also has an external flash memory which I use for the firmware update. I am currently using NCS version 1.6.1.

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  • 0

    Hi Andreas,
    Thanks for reply .after reading I downloaded the .bin file from https://nrfconnectsdk.s3.eu-central-1.amazonaws.com/fmfu_1.3.1.bin.

    But i OTA failed and give me this error

    2022-03-09T14:54:21.976Z DEBUG modem << D: MQTT_EVT_PUBACK: id = 29191 result = 0
    2022-03-09T14:54:22.345Z DEBUG modem << I: Configuring socket timeout (60 s)
    2022-03-09T14:54:22.362Z DEBUG modem << I: Connecting to dl40-fota.s3-eu-west-1.amazonaws.com
    2022-03-09T14:54:22.982Z DEBUG modem << I: Downloading: fmfu_1.3.1.bin [0]
    2022-03-09T14:54:22.984Z DEBUG modem << D: AWS_FOTA_EVT_START
    2022-03-09T14:54:22.986Z DEBUG modem << AWS_IOT_EVT_FOTA_START
    2022-03-09T14:54:22.989Z DEBUG modem << PSM mode off requested due to FOTA update
    2022-03-09T14:54:23.282Z DEBUG modem << E: Server did not honor partial content request
    2022-03-09T14:54:23.285Z DEBUG modem << E: Download client error
    2022-03-09T14:54:23.287Z DEBUG modem << I: Modem upgrade aborted.
    2022-03-09T14:54:23.290Z DEBUG modem << E: Failed to close modem DFU socket.
    2022-03-09T14:54:23.292Z DEBUG modem << E: Unable to clean up dfu_target
    2022-03-09T14:54:23.294Z DEBUG modem << E: Unable to deinitialze resources used by dfu_target.
    2022-03-09T14:54:23.297Z DEBUG modem << E: FOTA download failed, report back
    2022-03-09T14:54:23.300Z DEBUG modem << E: AWS_FOTA_EVT_ERROR

  • 0 in reply to Waqar Ahmed

    Since I don't know what your application code looks like, it's hard to determine the root error.

    I have never seen the issue "Server did not honor partial content request" so I don't really know what that means.

  • 0 in reply to AndreasPettersson

    Thanks

    readme file modem firmware 1.3.0 .mentioned that 

    "This release is not FOTA updatable from previous modem firmware releases."

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  • 0 in reply to Waqar Ahmed

    Yeah, that is a bit unclear in the README, but what it means is that you cannot upgrade to v1.3.0 from v1.2.x using the modem delta update, that was previously the only way to do updates with FOTA.

    But the README also says after that

    "Non-wired full modem update can be performed by using new MFW CBOR image format and suitable support from the nRF Connect SDK and device hardware."

    And that is reffereing to the FMFU that we are talking about in this thread.

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