debug thingy:91 using nrf9160 DKhttps://devzone.nordicsemi.com/f/nordic-q-a/91844/debug-thingy-91-using-nrf9160-dkHi Nordic, I would like to understand the philosophy behind the nRF9160 DK acting as a debugger. I recover my thinky:91 connecting the 10 pin flat cable from thingy:91 to a nrf52840 DK, updating the firmware in the nRF52840 SoC. Then installing theen-USTelligent Community 13Mon, 12 Sep 2022 08:14:40 GMTRE: debug thingy:91 using nrf9160 DKhttps://devzone.nordicsemi.com/thread/385645?ContentTypeID=1Mon, 12 Sep 2022 08:14:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:673f5950-1d3b-4a36-96b3-fe515722b7adH&#229;kon Alseth<p>Hi,</p> <p>&nbsp;</p> [quote user=""]&nbsp;Since I have both, the thingy and the nrf9160 DK board , &nbsp;connected to &nbsp;my computer, &nbsp;which one should I select when I download the application to the thingy91 (thingy91 or nRF9160DK acting as debugger connected to thingy91) ?....[/quote] <p>If you program the thingy:91 via. the nRF9160-DK, you should select the nRF9160-DK.</p> <p>&nbsp;</p> <p>If you open the thingy:91 instead, it assumes that you are to update using the mcuboot bootloader instead, which is not what you currently want to do.</p> <p>&nbsp;</p> <p>Kind regards,</p> <p>Håkon</p><div style="clear:both;"></div>