https://devzone.nordicsemi.com/f/nordic-q-a/109817/how-to-flash-code-in-nrf-custom-board-using-nrf-connect-desktop-applicationHi, I am using a nRF52840 DK board for my development, when it comes to flashing in a custom board how do I do it? I don&#39;t have any USB to UART convertor in my custom board hardware, can I do it through the UART and How to I flash it through the UARTen-USTelligent Community 13Mon, 01 Apr 2024 15:45:46 GMThttps://devzone.nordicsemi.com/thread/476398?ContentTypeID=1Mon, 01 Apr 2024 15:45:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:af6c0130-5cbf-4e98-8c41-bb8fb4b4f773Amanda Hsieh<p>Hi,&nbsp;</p> [quote user=""]can I do it through the UART and How to I flash it through the UART?[/quote] <p>No, See&nbsp;<a href="https://docs.nordicsemi.com/bundle/ug_nrf52840_dk/page/UG/dk/hw_debug_out.html">the Debug output section</a>&nbsp;for the connection and then use the <a href="https://docs.nordicsemi.com/bundle/nrf-connect-programmer/page/index.html">nRF Programmer</a>.&nbsp;&nbsp;&nbsp;</p> <p>Regards,<br />Amanda H.</p><div style="clear:both;"></div>