https://devzone.nordicsemi.com/f/nordic-q-a/58714/nrf9160-adding-customized-flash-partitionHi We want to add one flash partition to use to store external host files by http downloading, so we changed the dts to below: then we duplicated the dfu_target_mcuboot to dfu_target_host and flash_img to flash_host for this host file&#39;s OTA downloaden-USTelligent Community 13Thu, 05 Mar 2020 07:02:54 GMThttps://devzone.nordicsemi.com/thread/238169?ContentTypeID=1Thu, 05 Mar 2020 07:02:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1c988096-ac40-41d1-9fa0-6bea925595f9Siyou<p>Hi</p> <p>It has been fixed by referring to this <a href="https://devzone.nordicsemi.com/f/nordic-q-a/53277/creating-partitions-on-external-spi-flash">case</a>.&nbsp;</p><div style="clear:both;"></div>