https://devzone.nordicsemi.com/f/nordic-q-a/83539/are-there-recent-changes-in-nrfjrogHello, We have a dev project where one of the components is a device running on the nRF52DK, with NRF52382. The component is basically a UART to BLE interface, based on example code from Nordic. This component has been stable for a long time with noen-USTelligent Community 13Mon, 24 Jan 2022 10:00:12 GMThttps://devzone.nordicsemi.com/thread/349177?ContentTypeID=1Mon, 24 Jan 2022 10:00:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5363989a-871f-4279-982b-13b5ed1704c9Charlie<p>Thanks for the update, it will help others to debug similar issues. :-)</p> <p>Best regards,</p> <p>Charlie</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/349133?ContentTypeID=1Mon, 24 Jan 2022 07:53:23 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9ed2ee1a-fa7e-46eb-8b07-0ed200f1c696danmcb<p>Was not a hardware issue at all but in fact there are problems with JLink tools version 7.60. See here:</p> <p><a href="https://devzone.nordicsemi.com/f/nordic-q-a/83858/nrf52-dk-uart-rx-over-usb-loses-first-byte-after-hard-reset-but-not-after-power-cycle/349130#349130">https://devzone.nordicsemi.com/f/nordic-q-a/83858/nrf52-dk-uart-rx-over-usb-loses-first-byte-after-hard-reset-but-not-after-power-cycle/349130#349130</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/347112?ContentTypeID=1Tue, 11 Jan 2022 10:02:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:226b16e5-e587-47ce-9155-abea22d631e6Charlie<p>Hi Daniel,</p> <p>I suspect this is&nbsp;a hardware issue(<span lang="en"><span><span>soldering, component, ESD problems</span></span></span>) with your board.&nbsp;</p> <p>Did you have several boards of the same HW version to test with?</p> <p>Best regards,</p> <p>Charlie</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/347099?ContentTypeID=1Tue, 11 Jan 2022 09:15:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dc41d7ae-556b-4f20-8746-40c066ae6cc9danmcb<p>the command we use to program the target:</p> <div style="background-color:#1e1e1e;color:#d4d4d4;font-family:Consolas, &#39;Courier New&#39;, monospace;font-size:14px;font-weight:normal;line-height:19px;white-space:pre;"> <div><span style="color:#d4d4d4;">&nbsp; nrfjprog</span>.exe<span style="color:#d4d4d4;"> -f nrf52 --snr 123456789 </span><span style="color:#d4d4d4;">--eraseall</span></div> <div><span style="color:#d4d4d4;">&nbsp; nrfjprog</span>.exe<span style="color:#d4d4d4;"> -f nrf52 --snr 123456789 </span><span style="color:#d4d4d4;">--program </span>firmware<span style="color:#d4d4d4;">.hex --sectorerase</span></div> <div><span style="color:#d4d4d4;">&nbsp; nrfjprog</span>.exe<span style="color:#d4d4d4;"> -f nrf52 --snr </span>123456789<span style="color:#d4d4d4;"> --reset</span></div> </div><div style="clear:both;"></div>