https://devzone.nordicsemi.com/f/nordic-q-a/99419/how-to-put-mcuboot-secondary-slot-in-external-qspi-flash-on-nrf5340-dkBoard: NRF5340-DK NCS: 2.3.0 I want to use the external flash to store mcuboot&#39;s secondary slot. I have based my code on the smp_svr sample and configured it for serial. I was able to uploaded a image and marked pending (test) via mcumgr cli whileen-USTelligent Community 13Thu, 11 May 2023 08:18:07 GMThttps://devzone.nordicsemi.com/thread/425036?ContentTypeID=1Thu, 11 May 2023 08:18:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f0816e60-9d36-439f-81d0-e15706c110a6jmp246<p>I was able to get the example working and integrate it into an existing app thanks.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/424183?ContentTypeID=1Mon, 08 May 2023 09:23:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fd6a8309-4758-4e1e-a726-335ebd3936d3Sigurd Hellesvik<p>You need to configure the external flash for the MCUboot child image as well.</p> <p>See how this is done in our (main branch) <a href="https://github.com/nrfconnect/sdk-nrf/tree/main/tests/modules/mcuboot/external_flash">nrf/tests/modules/mcuboot/external_flash</a>.</p> <p>Regards,<br />Sigurd Hellesvik</p><div style="clear:both;"></div>