https://devzone.nordicsemi.com/f/nordic-q-a/67693/what-is-the-value-of-the-dfu-uuidHi, I have a question about the firmware code of the SDK15.0.0 buttonless dfu example What is the value of the dfu uuid shown in this picture?en-USTelligent Community 13Thu, 29 Oct 2020 09:26:37 GMThttps://devzone.nordicsemi.com/thread/277548?ContentTypeID=1Thu, 29 Oct 2020 09:26:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b4f205a2-d38b-4930-b889-84ad4b206196Karl Ylvisaker<p>Hello,</p> [quote user=""]What is the value of the dfu uuid shown in this picture?[/quote] <p>In this particular picture, you are only showing the declaration of <em>the ble_dfu_buttonless_t struct</em>. The contents of this struct will be set in the example.<br />In the ble_app_buttonless_dfu example, the dfu service uses the UUID as defined in ble_dfu.c.<br /><pre class="ui-code" data-mode="c_cpp">#define BLE_DFU_SERVICE_UUID 0xFE59</pre><br /><br />Best regards,<br />Karl</p><div style="clear:both;"></div>