https://devzone.nordicsemi.com/f/nordic-q-a/36311/getting-started-with-nrf52840-dk-1-1-0-firmwareHello, I follow the getting started with nRF52840-DK described here: https://www.nordicsemi.com/eng/Products/Getting-started-with-the-nRF52840-Development-Kit A click on the link &quot;click here to download version 1.1.0 firmware&quot;, downloads: en-USTelligent Community 13Thu, 12 Jul 2018 09:05:06 GMThttps://devzone.nordicsemi.com/thread/139842?ContentTypeID=1Thu, 12 Jul 2018 09:05:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9d79f83e-7dce-4b0e-bbc5-2dfce3ad546chaakonsh<p>You&#39;re absolutely correct, that&#39;s a bug.&nbsp;<br /><br />I suggest you download <a href="https://developer.nordicsemi.com/nRF5_SDK/">SDK15 </a>and test the examples, they contain prebuilt hex files if you do not want to set up an IDE before running the examples.<br /><br /><br /></p><div style="clear:both;"></div>