https://devzone.nordicsemi.com/f/nordic-q-a/46413/no-boards-connected-nrfgo-studioHi, I am following this tutorial ( https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Fble_sdk_app_blinky.html ) to learn how to use BLE with the nRF52 DK. I have to program the SoftDevice before run the Blinkyen-USTelligent Community 13Thu, 25 Apr 2019 11:08:54 GMThttps://devzone.nordicsemi.com/thread/183747?ContentTypeID=1Thu, 25 Apr 2019 11:08:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3928951e-1b59-4917-ac02-3c947331ea24Ukoolele<p>Hi,</p> <p>I finally found a solution, I put the file &quot;J-Link OB-SAM3U128-V2-NordicSemi 170724&quot; (you can find it <a href="https://www.nordicsemi.com/Software-and-Tools/Development-Kits/nRF52-DK/Download#infotabs">here</a>, this is the first download link when you scroll down) into the Bootloader file.</p> <p>Ukoolele</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/183473?ContentTypeID=1Wed, 24 Apr 2019 12:53:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3a2daf30-8954-4833-8cc9-d6632bc4f9bbSimon<p>Try using nRF Connect Desktop instead of nRFgo Studio, if that doesn&#39;t fix the problem please tell me and I will look further into it.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>