https://devzone.nordicsemi.com/f/nordic-q-a/122855/implementing-mcu-boot-guideHi! I have been unable to find a single, simple set of instructions for adding MCUboot to a project(toolchain 3.0.0 sdk 3.0.0) that will enable a non-default signing key, two-slots for updating(with or without scratch). I have found a ton of pages anden-USTelligent Community 13Thu, 10 Jul 2025 12:59:24 GMThttps://devzone.nordicsemi.com/thread/542120?ContentTypeID=1Thu, 10 Jul 2025 12:59:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:13f362c3-24aa-438f-acf8-0cd4660e36caAmanda Hsieh<p>Hi,&nbsp;</p> <p>Take a look at this course:&nbsp;<a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-2-dfu-over-usb-adding-external-flash/">DFU with custom keys</a>.</p> <p>Regards,<br />Amanda H.</p><div style="clear:both;"></div>