https://devzone.nordicsemi.com/f/nordic-q-a/10118/can-t-find-mesh-service-with-nrf51822I followed the guide of this and when I opened the project &quot; BLE_Gateway&quot; ,it showed that the &quot;spi_slave.c&quot;,&quot;softdevice_handle.c&quot;and &quot;ble_advdata.c&quot; file couldn&#39;t be found .So I searched file in the&quot;nRF51-ble-bcast-mesh-sdk-8-support&quot; folder and I founden-USTelligent Community 13Tue, 10 Nov 2015 09:21:33 GMThttps://devzone.nordicsemi.com/thread/37534?ContentTypeID=1Tue, 10 Nov 2015 09:21:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1894fc71-2d0e-423c-a7e4-67a24fbd2196Petter Myhre<p>Do you have a ble_advdata.c in \SDK8.1.0\components\ble\common?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/37533?ContentTypeID=1Tue, 10 Nov 2015 02:09:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:93b61a38-2203-46d0-802d-881530455502Jacksonlv<p>Yes,I have.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/37532?ContentTypeID=1Fri, 06 Nov 2015 09:44:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:22e89618-45ba-4a12-bf7e-1934b30743b5Petter Myhre<p>Have you unzipped the example so that the path is SDK8.1.0\examples\nRF51-ble-bcast-mesh-sdk-8-support\nRF51\examples\BLE_Gateway?</p><div style="clear:both;"></div>