Unable to flash hex file on nRF52840 USB Dongle using nRF Programmer toolhttps://devzone.nordicsemi.com/f/nordic-q-a/106803/unable-to-flash-hex-file-on-nrf52840-usb-dongle-using-nrf-programmer-toolDear Support Team, I have started studying OpenThread and Zephyr OS. To test an OpenThread application, I bought an nRF52840 USB dongle. I have built the FTD example, size of the hex file is 1.1Mb, address range 0x00001000 - 0x00061E83(can be seenen-USTelligent Community 13Sat, 23 Dec 2023 17:52:52 GMTRE: Unable to flash hex file on nRF52840 USB Dongle using nRF Programmer toolhttps://devzone.nordicsemi.com/thread/461639?ContentTypeID=1Sat, 23 Dec 2023 17:52:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3d09b736-7d2f-46b9-9953-c94e3790de60valdev05<h4><span>Dear Support Team,</span></h4> <p><span>I figured out this problem, and I want to apologize for wasting your time.<br />The problem was that the <strong>otbr-agent</strong> service was also configured on the /dev/ttyACM0 port,<br />and after I disabled this service the dongle was programmed without problems.<br />Once again I apologize for my oversight, I simply forgot that I configured the service on this port.</span></p> <p><span>BR,</span></p> <p><span>Valeriy</span></p><div style="clear:both;"></div>