Getting started with the 52840 PDK

Getting started with the 52840 PDKhttps://devzone.nordicsemi.com/f/nordic-q-a/33646/getting-started-with-the-52840-pdkI have the nRF52840 PDK and tried to download the firmware as per step 7 to paste it to the JLINK folder to make LED1 blink so i can test NFC but cannot get led 1 to blinken-USTelligent Community 13Fri, 20 Apr 2018 21:40:59 GMTRE: Getting started with the 52840 PDKhttps://devzone.nordicsemi.com/thread/129197?ContentTypeID=1Fri, 20 Apr 2018 21:40:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:daae244a-b8d5-41b0-a521-1676f1a9fdcdMark D&#39;Sylva<p>Which SDK are you using?   I assume SDK 15?   And did you load the S140 softdevice?    You should use S140 v6.</p> <p>Also, it would help to mention which one of the projects that I see under NFC is the one you are trying.</p> <p></p> <p><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/pastedimage1524260875871v1.png" alt=" " /></p> <p></p><div style="clear:both;"></div>