https://devzone.nordicsemi.com/f/nordic-q-a/78079/automatically-flash-a-firmware-via-blnrfTo flash a new firmware I always do the same thing. Open NRF Connect Open Bluetooth Low Energy Click: Start Scanning Click: Sort by signal strength Choose the device with a known name and (mostly) the best rssi Connect to it (sometimes tryen-USTelligent Community 13Fri, 30 Jul 2021 11:24:41 GMThttps://devzone.nordicsemi.com/thread/322651?ContentTypeID=1Fri, 30 Jul 2021 11:24:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:55c22bc7-bcf7-4daa-9b81-d5a622f7f5dfJ&#248;rgen Holmefjord<p>Hi,</p> <p>Since you mention BLE and flashing in the same procedure, I assume you are talking about <a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.2/examples_bootloader.html">BLE DFU</a> for OTA firmware updates?</p> <p>Is this assumption is correct, you can use&nbsp;<a title="nRF Util" href="https://infocenter.nordicsemi.com/topic/ug_nrfutil/UG/nrfutil/nrfutil_intro.html?cp=10_7">nRF Util</a>&nbsp;to perform the BLE DFU from command line. <a href="https://github.com/NordicSemiconductor/pc-nrfutil/">pc-nrfutil</a> is available in source code on GitHub, and is actually written in Python already, and should fit easily into your plan.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>