https://devzone.nordicsemi.com/f/nordic-q-a/43247/one-board-hangs-at-softdevice-enable-functionwithout bootloader, nordic can work? i get two nordic board,it work well.but when i read the flash layout i found that the two board only have softdevice and application. how it work ? i want to support DFU function, so i erase whole flash anden-USTelligent Community 13Fri, 01 Feb 2019 13:02:51 GMThttps://devzone.nordicsemi.com/thread/169070?ContentTypeID=1Fri, 01 Feb 2019 13:02:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:10304ea0-d41b-4770-8faa-9ad691509499Hung Bui<p>Please clarify:</p> <p>- Which hardware/board do you have. If you are using your own hardware please provide schematic, layout and close up photo.&nbsp;</p> <p>- What worked and what didn&#39;t work ? From your description, it&#39;s not very clear. Please use bullet points.&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/169015?ContentTypeID=1Fri, 01 Feb 2019 09:59:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:90f38317-10e0-49c0-988e-0611a87f53f0franck<p>Both board have identical hardware ?&nbsp;</p><div style="clear:both;"></div>