https://devzone.nordicsemi.com/f/nordic-q-a/47424/is-it-possible-to-flash-code-on-nrf52-dk-using-external-programming-through-another-nrf52-dk-using-mbedHello, First, let me introduce you to my problem : I am waiting for my custom pcb based on the nrf52832 to be ready and I want to test the flashing process. I am curently developping on the nRF52 DK and i have a second nRF52 DK. I would like to flashen-USTelligent Community 13Tue, 04 Jun 2019 06:57:40 GMThttps://devzone.nordicsemi.com/thread/190658?ContentTypeID=1Tue, 04 Jun 2019 06:57:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9af7f329-dc41-47ee-87d9-be4e14cea0a3Baptiste94<p>It works perfectly.</p> <p>Thank you!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/188010?ContentTypeID=1Mon, 20 May 2019 14:54:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a9b92185-808a-4af3-bbb6-a57a6e5a9717haakonsh<p>You should use the command line tool &#39;nrfjprog&#39; with the following options:&nbsp;nrfjprog -f nrf52 --program blinky_pca10040.hex --chiperase -r.<br />You need the complete path to your hex file or navigate to whatever folder your hexfile is in before calling nrfjprog.&nbsp;<br /><br /></p> <p>You should test on the internal nRF52 on a DK before you attempt an external one.&nbsp;If this does not work then there&#39;s something wrong with your wire connections.</p><div style="clear:both;"></div>