https://devzone.nordicsemi.com/f/nordic-q-a/5151/smart-beacon-ota-through-master-control-panelHi all! I&#39;ve been trying to upload the official firmware (nrf51822_beacon_app.hex) to the nrf51822 bluetooth smart beacon kit. I put the beacon in bootloading mode (steady green led) and, after discovering the services and selecting DFU button in MCPen-USTelligent Community 13Wed, 14 Jan 2015 14:34:52 GMThttps://devzone.nordicsemi.com/thread/18057?ContentTypeID=1Wed, 14 Jan 2015 14:34:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:36747cea-256a-4cfb-8284-dc405abc16fbVidar Berg<p>Hi, the beacon kit is shipped s110 v.6.0.0 pre-programmed, which only supports application update (v.1.0.1). Whereas FW v.1.1.0 supports SD+bootloader update as well.</p> <p>Since there is no DFU support for softdevice and bootloader update, you&#39;ll need to use an external programmer for the first time programming in order to enable support for v1.1.0. The update process is described in the index.html file located in the nRF51822 Beacon v1.1.0 folder.</p><div style="clear:both;"></div>