https://devzone.nordicsemi.com/f/nordic-q-a/58526/ppk-board-strange-behaviorHi I still have problems with this board. I check it at my nRF dealer and it works. Yesterday I run it on an another PC and it works well: But today at the same PC it doesn&#39;t work???? What&#39;s going on with this board? How can I make it works?en-USTelligent Community 13Wed, 04 Mar 2020 12:32:22 GMThttps://devzone.nordicsemi.com/thread/238019?ContentTypeID=1Wed, 04 Mar 2020 12:32:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7a745353-0d5e-4c6c-b7e1-cf9b67cd5508Mikhail<p>No luck. I&#39;ll try to reflash it.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/237977?ContentTypeID=1Wed, 04 Mar 2020 09:51:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b792214e-9597-4692-8f69-28a2b22f9a7chaakonsh<p>Any luck?<br /><br />I guess you can try to re-flash the FW. See&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/43484/ppk-does-not-work">https://devzone.nordicsemi.com/f/nordic-q-a/43484/ppk-does-not-work</a>.&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/237498?ContentTypeID=1Mon, 02 Mar 2020 14:44:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2d43742f-ea61-4436-a92f-d50a3f397095Mikhail<p>I switched off it. Toggled switches. WO success.</p> <p>I really don&#39;t know exactly how to make it works.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/237495?ContentTypeID=1Mon, 02 Mar 2020 14:42:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5cc0674d-ee57-4d7b-9cb1-709327641c03haakonsh<p>The PPK is a bit unstable at times. I usually power-cycle the device, reconnect with the PPK application, flip some switches, and eventually, it recovers. Try to fiddle with it like that.</p><div style="clear:both;"></div>