https://devzone.nordicsemi.com/f/nordic-q-a/20431/ble-uart-service---add-parsing-to-change-advertisement-nameHello, I&#39;m using the Nordic BLE-UART service found in the SDK. This is the &quot;ble_app_uart&quot; file in the SDK examples for the Nordic nRF51822. I&#39;m basically sending JSON back and forth between a mobile device and another MCU, and the nRF51822 is just aen-USTelligent Community 13Wed, 15 Mar 2017 08:52:53 GMThttps://devzone.nordicsemi.com/thread/79655?ContentTypeID=1Wed, 15 Mar 2017 08:52:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e2014928-0560-4490-ae44-cb8001784954FormerMember<p><strong>1)</strong> The UART event handler in main.c, uart_evnt_handle --&gt; event APP_UART_DATA_READY is where the firmware receives data over UART.</p> <p><strong>2)</strong> <a href="https://devzone.nordicsemi.com/question/70927/generic-access-profile-device-name-change/?answer=71057#post-id-71057">This</a> thread should answer your question regarding updating the device name &quot;on-the-fly&quot;.</p><div style="clear:both;"></div>