https://devzone.nordicsemi.com/f/nordic-q-a/43779/erased-everything-on-nrf52840-development-kitHello guys, everything worked fine for me (NRFConnect, Apps, CLI, Building with Segger Studio, Prgramming via NRFConnect Programmer, everything on Win10) but then I was trying to flash a Softdevice on the DK with the &quot;nrfjprog&quot;-Tool and somehow manageden-USTelligent Community 13Mon, 18 Feb 2019 12:42:39 GMThttps://devzone.nordicsemi.com/thread/171620?ContentTypeID=1Mon, 18 Feb 2019 12:42:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:62ee1878-2cbf-4f5c-bbbe-1411336b3dc0gabbas1<p>I found out what was the problem:<br /><br />I used the DK with the Power Profiler Kit and so I cutted &quot;SB40&quot;. Now I dettached the Kit but didn&#39;n resoldered SB40 or attatched a jumper on P22. Totally forgot about that..</p> <p>Now i attatched the jumper and everything works fine again.&nbsp;</p> <p></p> <p>&nbsp;</p><div style="clear:both;"></div>