https://devzone.nordicsemi.com/f/nordic-q-a/123922/bluetooth-ota-dfu-without-an-external-flash-on-nrf52840Hello I am trying to perform a firmware update over Bluetooth but without using the external flash on the nRF52840-dk. At this point I can successfully build the smp_svr example using the overlay-bt.conf, in order to enable firmware update over bluetoothen-USTelligent Community 13Tue, 26 Aug 2025 14:00:52 GMThttps://devzone.nordicsemi.com/thread/546789?ContentTypeID=1Tue, 26 Aug 2025 14:00:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b1ec4eb0-4011-481d-95b9-a97ef0e08269Avgerinos89<p>Hello,<br /><br />Thanks for the suggestion!</p> <p><span>&nbsp;</span></p> <p><span></span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/546743?ContentTypeID=1Tue, 26 Aug 2025 11:25:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d006a0f5-4883-4991-be10-6df0bfe6f05cMenon<p>Hello,</p> <p>I recommend following this Academy course, which demonstrates <a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-5-fota-over-bluetooth-low-energy/">how to enable FOTA over BLE</a> without using external flash. You can also see the<a href="https://github.com/NordicDeveloperAcademy/ncs-inter/tree/main/l9/l9_e5"> corresponding sample here</a>.</p> <p>Kind regards,<br /> Abhijith</p><div style="clear:both;"></div>