&quot;Image does not have a hash TLV&quot; when using external flash for DFUhttps://devzone.nordicsemi.com/f/nordic-q-a/126116/image-does-not-have-a-hash-tlv-when-using-external-flash-for-dfuHello, I am working on adding MCUboot to my custom board (using nRF52832 chip) to make it DFU-able. That works fine when using internal flash but never when moving the partition mcuboot_secondary to external flash. There are no build or flashen-USTelligent Community 13Tue, 16 Dec 2025 16:07:58 GMTRE: "Image does not have a hash TLV" when using external flash for DFUhttps://devzone.nordicsemi.com/thread/557128?ContentTypeID=1Tue, 16 Dec 2025 16:07:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ad97fef9-246e-4872-af7d-d1546b845e64Amanda Hsieh<p>Happy to know you find the root cause. <span class="emoticon" data-url="https://devzone.nordicsemi.com/cfs-file/__key/system/emoji/1f642.svg" title="Slight smile">&#x1f642;</span></p><div style="clear:both;"></div>RE: "Image does not have a hash TLV" when using external flash for DFUhttps://devzone.nordicsemi.com/thread/557126?ContentTypeID=1Tue, 16 Dec 2025 16:06:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:91db1011-e489-4ed8-bac8-ac165c88a4f5Amanda Hsieh<p>Could you run zephyr\samples\drivers\jesd216 or zephyr\samples\drivers\spi_flash to test the SPI flash setting?&nbsp;</p><div style="clear:both;"></div>RE: "Image does not have a hash TLV" when using external flash for DFUhttps://devzone.nordicsemi.com/thread/557121?ContentTypeID=1Tue, 16 Dec 2025 15:52:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dd98afa4-2b50-4437-a834-53341820683fAspion dominik<p>I found my error. Another thread wrote on the flash as well, which corrupted the partition.</p><div style="clear:both;"></div>RE: "Image does not have a hash TLV" when using external flash for DFUhttps://devzone.nordicsemi.com/thread/557000?ContentTypeID=1Mon, 15 Dec 2025 15:14:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c12419d1-5a06-4ea4-9871-1c1ee039b6e6Amanda Hsieh<p>Hi,&nbsp;</p> <p>Do you also add the external flash setting (config and overlay files) to mcuboot (sysbuild/mcuboot/boards)? Please refer to&nbsp;<a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-3-dfu-with-external-flash/">https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-3-dfu-with-external-flash/</a>&nbsp;to check your external flash setting.&nbsp;</p> <p>Regards,<br />Amanda H.</p><div style="clear:both;"></div>