https://devzone.nordicsemi.com/f/nordic-q-a/81571/nrfconnect-mcuboot-serial-dfu-not-buildingI am trying to build an application with Visual Studio Code using the nRF Connect SDK 1.7.1. I want to use MCUBoot and have it configured for a Serial DFU. I&#39;ve modified my project&#39;s prj.conf file to include this line: CONFIG_BOOTLOADER_MCUBOOT=y en-USTelligent Community 13Thu, 11 Nov 2021 07:22:00 GMThttps://devzone.nordicsemi.com/thread/338479?ContentTypeID=1Thu, 11 Nov 2021 07:22:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:91f34c4e-066c-4ff0-9336-2d10f313752eovrebekk<p>Hi Brendan</p> <p>Good to hear you found a solution.&nbsp;</p> <p>In order to change the mcuboot configuration you can also set up a child_image folder in your project, so you don&#39;t have to change the configuration in the mcuboot folder directly.&nbsp;</p> <p>This is explained in Jimmy Wong&#39;s DFU blog, just search for &quot;child_image&quot; in the text:<br /><a href="https://jimmywongiot.com/2021/05/26/overview-on-mcuboot-zephyr-rtos/">https://jimmywongiot.com/2021/05/26/overview-on-mcuboot-zephyr-rtos/</a></p> <p>Best regards<br />Torbjørn</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/338259?ContentTypeID=1Tue, 09 Nov 2021 20:22:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dccea418-1218-456f-9ea4-83045e48ca42BDA<p>Ah.&nbsp; I put&nbsp;<span>CONFIG_MCUBOOT_SERIAL=y in the&nbsp;bootloader\mcuboot\boot\zephyr\prj.conf file directly and it works now.</span></p><div style="clear:both;"></div>