https://devzone.nordicsemi.com/f/nordic-q-a/11118/default-nrf5x-bootloaderAfter doing some DFU work - and it all went fine and dandy ... I would like to go back to the plain old default bootloader that came with my nRF51 board. I don&#39;t seen any SDK projects for the default nRF51 bootloader. Is the default bootloader availableen-USTelligent Community 13Mon, 04 Jan 2016 14:08:12 GMThttps://devzone.nordicsemi.com/thread/41648?ContentTypeID=1Mon, 04 Jan 2016 14:08:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e2f1c238-cad8-450a-99b2-88a88a5467banatersoz<p>Thanks! I guess that was obvious!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/41647?ContentTypeID=1Mon, 04 Jan 2016 10:06:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:82cb2645-beba-4691-b635-1b709415efc3Anders Strand<p>Hello.</p> <p>The default for the nRF51 DK is to have no bootloader.</p> <p>To achieve this, erase the whole chip and then program the softdevice and application.</p> <p>-Anders</p><div style="clear:both;"></div>