https://devzone.nordicsemi.com/f/nordic-q-a/125039/cannot-flash-without-unplugging-the-dk-and-reattaching-itOnce the nRF52840DK is running the Zigbee light bulb demo I cannot flash new code to it unless I disconnect the board and reconnect it first. I am using nRFConnect for Visual Studio on a Mac. *** Booting nRF Connect SDK v2.9.2-4ab7b98fc76f *** **en-USTelligent Community 13Tue, 21 Oct 2025 08:33:31 GMThttps://devzone.nordicsemi.com/thread/552030?ContentTypeID=1Tue, 21 Oct 2025 08:33:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c96feece-6b6a-4609-8275-3bf31dbe136bPriyanka<p>Hi Ian,</p> <p>Could you tell me which SDK version you are working with?</p> <p>Also, your nrfutil version.</p> <p>-Priyanka</p><div style="clear:both;"></div>