nRF52840 DK not working after the JLink Config firmware updatehttps://devzone.nordicsemi.com/f/nordic-q-a/102506/nrf52840-dk-not-working-after-the-jlink-config-firmware-updateHi, I&#39;m not sure this is a duplicate, as I have tried most solution on similar reported issue, however none works. I accidentally updated the JLink OB firmware on my NRF52840 DK kit and since then, I&#39;m unable to program the DK. Since the updateen-USTelligent Community 13Thu, 03 Aug 2023 13:16:48 GMTRE: nRF52840 DK not working after the JLink Config firmware updatehttps://devzone.nordicsemi.com/thread/439713?ContentTypeID=1Thu, 03 Aug 2023 13:16:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6862b791-325f-4e99-8eeb-d9fea78ad89dgpfister<p>Hello,</p> <p>I am very sorry, I have considered the case that the cable could be the problem, but the two I additional one I used must have been damaged also. I found one that worked...</p> <p>I don&#39;t know why a cable would fail at the same time a firmware is updated, or if the new firmware requires better cables, but I don&#39;t have the issue anymore.</p> <p>My apologies for wasting your time.</p><div style="clear:both;"></div>