https://devzone.nordicsemi.com/f/nordic-q-a/55642/power-profiler-kit-does-not-show-current-measuresI&#39;m not able to get working my PPK. I&#39;ve followed the guide, installed the Power Profiler app with the latest nRF Connect v3.3.0, cut SB40 on my nrf52840DK and set correctly the switches on the PPK. The board connects successfully but when I pushen-USTelligent Community 13Sun, 15 Dec 2019 12:36:52 GMThttps://devzone.nordicsemi.com/thread/225504?ContentTypeID=1Sun, 15 Dec 2019 12:36:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f9eb3d97-0f2a-453b-ae08-283cc6d100aeAttilio Dona&amp;#39;<p>Thanks for the suggestion!</p> <p>Trying to flash the PPK with the script flash_ppk.py I got the error:</p> <p style="padding-left:30px;">&nbsp;&nbsp;&nbsp; &gt; pynrfjprog.APIError.APIError: An error was reported by NRFJPROG DLL: -103 JLINKARM_DLL_TOO_OLD.</p> <p>Upgrading SEGGER <a href="https://www.segger.com/downloads/jlink/?step=1&amp;file=JLink_510d#J-LinkSoftwareAndDocumentationPack">JLink software</a> software to the latest release V6.56d I was able to flash the PPK and to get the Power Profiler app working.</p> <p>I wasn&#39;t able to find docs about, but I suspect there is a minimum required J-Link software version for the Power Profiler app (mine was V6.20e).</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/225492?ContentTypeID=1Sat, 14 Dec 2019 19:01:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:77717e5a-5d0a-4fe8-ae8f-5993ed4516a7matt.heins<p>You may have wiped out the firmware on the PPK and will need to restore it. We&#39;ve all been there. Try this:</p> <p></p> <p><a href="https://devzone.nordicsemi.com/f/nordic-q-a/23391/power-profiler-kit-nrf6707-does-not-work/91949#91949">https://devzone.nordicsemi.com/f/nordic-q-a/23391/power-profiler-kit-nrf6707-does-not-work/91949#91949</a></p><div style="clear:both;"></div>