https://devzone.nordicsemi.com/f/nordic-q-a/123569/mcuboot-with-nrf54l15---can-t-make-it-workingHi, I am using NRF Connect environment and would like to enable by program to use MCU Boot functionality with dual-imaging support and FOTA updates. My Kconfig.sysbuild has the following flags enabled: CONFIG_BOOTLOADER_MCUBOOT = y CONFIG_MCUBOOT_IMGTOOL_SIGN_VERSIONen-USTelligent Community 13Thu, 28 Aug 2025 11:26:20 GMThttps://devzone.nordicsemi.com/thread/547070?ContentTypeID=1Thu, 28 Aug 2025 11:26:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ba0b86a1-47b8-4d61-a13c-2fc136060b62Alex P<p>Thanks a lot, it worked!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/545196?ContentTypeID=1Mon, 11 Aug 2025 12:10:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fae99b77-369c-4dd6-9d02-088f66da9126Benjamin<p>Hi Alex,</p> <p><code>Kconfig.sysbuild</code> is for defining custom KConfig symbols, not setting them.</p> <p>To enable MCUBoot, you only need to do the following:</p> <ol> <li> <p>In your application directory, create a file named <code>sysbuild.conf</code> (this is where you configure sysbuild).</p> </li> <li> <p>Add the following line to that file to enable MCUBoot:</p> </li> </ol> <p>SB_CONFIG_BOOTLOADER_MCUBOOT=y</p> <p>Best regards,<br />Benjamin</p> <pre></pre><div style="clear:both;"></div>