https://devzone.nordicsemi.com/f/nordic-q-a/10265/nrf51-dongle-discover-android-deviceHi, I have a nrf51 dongle and I try to connect my Android smartphone to it. My smartphone is BLE compatible, so no problems here. I flash the firmware using master control panel (File -&gt; Flash programming...) it works, the server start. But when I clicken-USTelligent Community 13Tue, 17 Nov 2015 13:23:20 GMThttps://devzone.nordicsemi.com/thread/38102?ContentTypeID=1Tue, 17 Nov 2015 13:23:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b6707a91-cec4-42f9-9fbb-65f58e6497datimtim<p>Thanks you ! In effect, I flash my dongle with soft device (S110 for me) and after load an application to make it work. So my dongle is now see like a peripheral (depends on which application you run).</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/38101?ContentTypeID=1Mon, 16 Nov 2015 19:48:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6f84501d-253d-44f3-ab2f-d00148ea9631run_ar<p>The master control panel is a Bluetooth low energy central. It doesn&#39;t advertise so it won&#39;t be visible on other central devices. If you want your android phone to be visible on the master control panel you need an application to set it up as a peripheral and start advertising. For more information about bluetooth low energy you can look at some of our tutorials <a href="https://devzone.nordicsemi.com/tutorials/">here</a>.</p><div style="clear:both;"></div>