https://devzone.nordicsemi.com/f/nordic-q-a/70430/unable-to-program-nrf5340dk-with-sesHello, I&#39;m using SEGGER Embedded Studio 5.30a with NCS 1.4.99. I&#39;m trying the &quot;hello_world&quot; sample but when i want to run on the nRF5340DK i get the followings errors: I have no problem to run on a nRF5340PDK. I&#39;m also able to program the nRF5340DKen-USTelligent Community 13Thu, 14 Jan 2021 14:08:24 GMThttps://devzone.nordicsemi.com/thread/289245?ContentTypeID=1Thu, 14 Jan 2021 14:08:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8a9ea3cc-f907-4648-bbd3-20c3562d4deeNicolas Brunner<p>Thank you, it&#39;s now working.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/289220?ContentTypeID=1Thu, 14 Jan 2021 13:30:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:79a70f83-ee7c-4963-9a0b-feddf82ea707Charlie<p>Hi Nicolas,</p> <p>Please install the latest&nbsp;<a href="https://www.nordicsemi.com/Software-and-tools/Development-Tools/nRF-Command-Line-Tools/Download">nRF Command Line Tools</a>&nbsp;and run the following command to recover the device.</p> <p><pre class="ui-code" data-mode="text">west flash --recover</pre></p> <p>or</p> <p><pre class="ui-code" data-mode="text">nrfjprog --recover --coprocessor CP_NETWORK nrfjprog --recover</pre></p> <p>The above commands&nbsp;are valid to nrf5340 DK(version 0.11.0 and later), since it&#39;s equipped with APPROTECT, PDK(0.8.0) is not valid.&nbsp;</p><div style="clear:both;"></div>