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  • Case ID: 359640
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NRF54LM20B external flash OTA by sqspi

David Duan
Hi DevZone,
I am currently working on an external Flash OTA update via SQSPI on the nRF54L15 DK (v0.7.0). I have already verified that SQSPI read/write operations are functional and that standard SPI-based external Flash OTA updates work as expected.

However, in my current tests, the project runs but the SMP server reports the following error every time I attempt to receive new firmware:


Could you please confirm if the current SDK version supports performing external Flash OTA updates using SQSPI?
My project could be show as below:
  • 0

    Hi,

    Sorry for the delay, I don't have a nRF54LM20B on hand, so I can't really try it right now.

    I am currently working on an external Flash OTA update via SQSPI on the nRF54L15 DK (v0.7.0). I have already verified that SQSPI read/write operations are functional and that standard SPI-based external Flash OTA updates work as expected.

    When you said that, did you mean nRF54LM20 DK or did you indeed try with an nRF54L15 DK? If you didn't already try on a nRF54L15 DK, can please try on one? It would allow us to be more confident that this is not an application problem.

    If it works fine with a nRF54L15 DK, tell me, and I'll ask more information about it internally.

    Best regards,

    Simon D-M

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