flash a hex file to PCA10056https://devzone.nordicsemi.com/f/nordic-q-a/46015/flash-a-hex-file-to-pca10056Hello, I habe got a nRF52840-Development Kit. It is Herdware Revision 1.0.0. While going through the Getting Started i find that the LEDs do not flash and that i have to istall the firmware v1.1.0 Following this instructions: &quot;If step 5 below failsen-USTelligent Community 13Thu, 11 Apr 2019 07:59:43 GMTRE: flash a hex file to PCA10056https://devzone.nordicsemi.com/thread/181474?ContentTypeID=1Thu, 11 Apr 2019 07:59:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e4b71448-7b7b-4057-a00e-0aebd081737eAndreas<p>Hi,</p> <p>&nbsp;</p> <p>The PCA10040 hex file will assign other pins for button, LEDs etc than what are connected to buttons and LEDs in PCA10056. For some reason this is not included in this download. The easy fix is to download the SDK (which you should already have done) and find the example there. It is under /SDK v15.3/examples/peripheral/preflash .</p> <p>&nbsp;</p> <p>Best regards,</p> <p>Andreas</p><div style="clear:both;"></div>