https://devzone.nordicsemi.com/f/nordic-q-a/122736/mcu-boot-fota-dfu-and-building-strategyDear team, in my design I&#39;m using MCUBOOT to perform FOTA DFU over BLE and I need some confirmation about the building process to be sure to do all the step in a properly way. As developing IDE consider VS Code. To flash the device for the first timeen-USTelligent Community 13Tue, 08 Jul 2025 07:24:49 GMThttps://devzone.nordicsemi.com/thread/541722?ContentTypeID=1Tue, 08 Jul 2025 07:24:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3644cab9-84e1-4a68-98e5-4d14ffa6b268Hung Bui<p>Great. Please be noted that if you modify the project configuration for example add more file or modify the overlay , you should do Pristine build.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/541718?ContentTypeID=1Tue, 08 Jul 2025 07:16:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7dcf6d4d-346b-4dba-90b1-856c5b7fc479STE<p>Dear Hung,</p> <p>I&#39;ve did some test, seems working but I need an official confirmation.</p> <p>Thanks and best regards.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/541665?ContentTypeID=1Mon, 07 Jul 2025 15:13:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2772d5e5-fbf6-4d29-b071-6ac72c37ea49Hung Bui<p>Hi Fabio,&nbsp;</p> <p><br />Yes the new version will be updated to the merged.hex and to the dfu_application.zip when you click build doesn&#39;t have to be pristine build.&nbsp;<br />Have you tried to test that ?&nbsp;</p><div style="clear:both;"></div>