Index: sources/device/DeviceController.cpp
===================================================================
diff -u -r1bf8c894c5cc5ea6d62af0662fcf5a18e1a06459 -r59625af31d9009df82fa48310b54c0f247e829fc
--- sources/device/DeviceController.cpp	(.../DeviceController.cpp)	(revision 1bf8c894c5cc5ea6d62af0662fcf5a18e1a06459)
+++ sources/device/DeviceController.cpp	(.../DeviceController.cpp)	(revision 59625af31d9009df82fa48310b54c0f247e829fc)
@@ -1181,3 +1181,55 @@
     // log error and exit
     return;
 }
+
+/////////////////////////////////////////////   DeviceStartSoftwareUpdate
+void DeviceController::onAttributeRequest(const DeviceStartSoftwareUpdateRequestData &vData)
+{
+    _deviceStartSoftwareUpdateRequest._data = vData;
+
+    // ----- check that script exists.
+    QString script = Device_StartSoftwareUpdateScriptPath;
+    DeviceError::Scripts_Error_Enum err = DeviceError::eDevice_OK;
+    QFileInfo info(script);
+    if ( ! info.exists      () ) { err = DeviceError::eDevice_Scripts_Error_NotFound      ;}
+    if ( ! info.isExecutable() ) { err = DeviceError::eDevice_Scripts_Error_NotExecutable ;}
+
+    if ( checkError(err, _deviceStartSoftwareUpdateResponse, script) )
+        return;
+
+    // ----- check if the process is not running
+    if ( _processStartSoftwareUpdate.state() != QProcess::NotRunning  ) {
+        checkError(DeviceError::eDevice_Scripts_Error_IsRunning, _deviceStartSoftwareUpdateResponse);
+        return;
+    }
+
+    // ----- run the process
+    int timeout_ms = 10000;
+    TimedProcess *timedProcess = new TimedProcess(&_processStartSoftwareUpdate, script, timeout_ms, { vData.mUpdateFilePath });
+    timedProcess->start();
+
+    MDeviceStartSoftwareUpdateResponse model;
+    model._data.mAccepted  = false; // will indirectly set the property startSoftwareUpdateEnabled
+    model._data.mMessage   = tr("Software Update started.");
+    didAttributeResponse(model.data());
+}
+
+/*!
+ * \brief DeviceController::onProcessStartSoftwareUpdateExitCode
+ * \param vExitCode
+ * \param vStatus
+ */
+void DeviceController::onProcessStartSoftwareUpdateExitCode(int vExitCode, QProcess::ExitStatus vStatus)
+{
+    // The Exit code in this script is not used.
+    // any other checking is done by UI Software at the moment this script is called.
+    // The only thing matters is the paired device info in text and it will be empty string if error happens.
+    MDeviceStartSoftwareUpdateResponse model;
+    QByteArray deviceInfo;
+    if ( vStatus )  vExitCode   = Device::DeviceError::eDevice_Scripts_Error_Status;
+    else            deviceInfo  = _processStartSoftwareUpdate.readAll();
+    model.fromByteArray( deviceInfo, &vExitCode );
+    // DEBUG: qDebug() << model._data.mMessage << deviceInfo;
+    didAttributeResponse(model.data());
+    LOG_APPED_UI(model.data().mMessage);
+}