https://devzone.nordicsemi.com/f/nordic-q-a/111903/power-profile-kit2-reflash-the-firmwareHi My PPK2 was accidentally flashed by the nRFConnect&#39;s &quot;Bluetooth Low Energy&quot; app and then it bricked. PPK2 then could not be detected by &quot;Power Profiler&quot;, even &quot;Programmer&quot; could not detect it. I have also tried to use JTAG on the PPK2 connecteden-USTelligent Community 13Fri, 07 Jun 2024 09:20:33 GMThttps://devzone.nordicsemi.com/thread/487863?ContentTypeID=1Fri, 07 Jun 2024 09:20:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:202ba936-3072-476b-8a64-6e900c5880e3DILiem<p>Try the following should still work: &nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/75163/ppk2-not-turning-on/309793">RE: PPK2 not turning on</a><br /><br /></p> [quote userid="77062" url="~/f/nordic-q-a/75163/ppk2-not-turning-on/309793"]<p><em>Disconnect all other nordic devices from the computer, turn off the kit and remove it from the plastic by removing the four screws. Insert USB to J2 (USB DATA/POWER). Short a connection between GND (e.g on the four pin power output header) to TP34 on the PPK2. While holding the jumper cable, turn the kit on and remove the jumper. Now the PPK2 should be in bootloader again.</em></p> <p><em>Open the PPK app, and select the device which is now just a serial number.</em></p>[/quote]<div style="clear:both;"></div>