nRF51822 (BLE nano) with Keil and ULINK PROhttps://devzone.nordicsemi.com/f/nordic-q-a/6837/nrf51822-ble-nano-with-keil-and-ulink-proI&#39;m trying to download a HEX file to an nRF51822 using Keil and ULINK PRO. The hex file was generated by the mbed compiler and works if I drag and drop it using the programmer that comes with the RedBearLabs BLE nano. However, I want to program in circuiten-USTelligent Community 13Fri, 01 May 2015 16:05:56 GMTRE: nRF51822 (BLE nano) with Keil and ULINK PROhttps://devzone.nordicsemi.com/thread/24097?ContentTypeID=1Fri, 01 May 2015 16:05:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1f688c44-c733-44a6-9521-af59bd1e4300Tim Barry<p>Aha! I found the answer here: <a href="https://devzone.nordicsemi.com/question/21461/programming-softdevice-with-ulink-me/">devzone.nordicsemi.com/.../</a></p> <p>I was not using the &quot;nRF51xxx External Connectivity Board&quot; flash algorithm. Everything now works fine!</p><div style="clear:both;"></div>