https://devzone.nordicsemi.com/f/nordic-q-a/29969/is-it-possible-to-flash-nrf52dk-with-arduino-code-using-bleperipheral-libraryHi, I purchased a Sparkfun Breakout board for the NRF52832, but the bootloader on it seems to be extremely unstable. Hence, I&#39;ve decided to flash the NRF52832 directly from the NRF52DK itself, and then remove the NRF52832 to be used on an external PCBen-USTelligent Community 13Mon, 29 Jan 2018 11:38:11 GMThttps://devzone.nordicsemi.com/thread/119175?ContentTypeID=1Mon, 29 Jan 2018 11:38:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6f688d12-1678-41b9-8b09-c7c77081aa1aJ&#248;rgen Holmefjord<p>The question title indicate that you are trying to flash the nRF52-DK, but the description indicate that you try to flash external board using nRF52DK, which is it? If second, how have you connected the board? You should describe your issues in more details than saying: &quot;I tried, but I experienced problems/it did not work&quot;.</p><div style="clear:both;"></div>