https://devzone.nordicsemi.com/f/nordic-q-a/37948/nrf52832-uart-downloadHi: Can I download firmware by UART port? How can I do it and can you give me some information？en-USTelligent Community 13Wed, 29 Aug 2018 07:28:17 GMThttps://devzone.nordicsemi.com/thread/146224?ContentTypeID=1Wed, 29 Aug 2018 07:28:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:064e9df0-d735-4e03-8934-c3fffc6613a5Martin Lesund<p>Hi&nbsp;xiaosi1911,</p> <p>Yes that is possible if you have a serial bootloader on the device.</p> <p>The&nbsp;<a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v14.2.0%2Flib_dfu_transport.html" target="_blank" rel="noopener noreferrer">DFU transport layer is well documented on Infocenter</a>, and I recommend&nbsp;checking out the&nbsp;<a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v14.2.0%2Flib_dfu_transport_serial.html" target="_blank" rel="noopener noreferrer">Serial transport</a>&nbsp;(UART).</p> <p>I suggest that you check out the <a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Fsdk_app_serial_dfu_bootloader.html&amp;resultof=%22serial%22%20%22bootloader%22%20%22bootload%22%20" target="_blank" rel="noopener noreferrer">Secure DFU bootloader over serial link example</a>.</p> <p>&nbsp;</p> <p>&nbsp;</p><div style="clear:both;"></div>