https://devzone.nordicsemi.com/f/nordic-q-a/49380/nrf-52840Hi, I`m using MDBT50QRX (Raytac Nordic 3rd party for modules) I need to connect and program the firmware hex file (connectivity_4.1.1_usb_with_s140_6.1.1.hex) which is on Nordic path https://github.com/NordicSemiconductor/pc-ble-driver by the programmeren-USTelligent Community 13Thu, 04 Jul 2019 14:10:57 GMThttps://devzone.nordicsemi.com/thread/196606?ContentTypeID=1Thu, 04 Jul 2019 14:10:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e769fe76-2ae8-46ab-89d6-9d052b89c560awneil<p>RTFM:&nbsp;<a href="https://www.raytac.com/download/index.php?index_id=40">https://www.raytac.com/download/index.php?index_id=40</a>&nbsp;- pages 19 &amp; 21</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/196598?ContentTypeID=1Thu, 04 Jul 2019 13:58:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:79939d8c-f26f-4399-bdb4-ad7743e06227Josh_1<p>Hi,</p> <p>The part is dongle with nRF52840 (see picture attached) so it not make sense it without boot loader because there is no J-Link interface header.</p> <p><img height="141" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1562248743211v1.png" width="82" alt=" " /></p> <p>Additionally ,before programming the firmware the dongle cant identify by the programmer in the nRF Connect as serial port (no address), why is it?</p> <p>Thanks&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/196570?ContentTypeID=1Thu, 04 Jul 2019 13:23:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dd33eb5f-6106-4f17-8bd1-19ebc17cf552awneil<p>You&#39;d have to confirm with Raytac whether they ship modules with a bootloader installed.</p> <p>Otherwise you will need a J-Link for programming.</p><div style="clear:both;"></div>