diff --git a/linphone-desktop/src/app/App.cpp b/linphone-desktop/src/app/App.cpp
index 2eeb5a9ef..1e1ae3cea 100644
--- a/linphone-desktop/src/app/App.cpp
+++ b/linphone-desktop/src/app/App.cpp
@@ -89,6 +89,7 @@ App::App (int &argc, char *argv[]) : SingleApplication(argc, argv, true) {
 
 App::~App () {
   qInfo() << QStringLiteral("Destroying app...");
+  delete mEngine;
 }
 
 // -----------------------------------------------------------------------------
@@ -120,35 +121,56 @@ inline void activeSplashScreen (App *app) {
 }
 
 void App::initContentApp () {
+  // Destroy qml components and linphone core if necessary.
+  if (mEngine) {
+    qInfo() << QStringLiteral("Restarting app...");
+    delete mEngine;
+
+    mCallsWindow = nullptr;
+    mSettingsWindow = nullptr;
+
+    CoreManager::uninit();
+  } else {
+    // Don't quit if last window is closed!!!
+    setQuitOnLastWindowClosed(false);
+
+    QObject::connect(
+      this, &App::receivedMessage, this, [this](int, QByteArray message) {
+        if (message == "show")
+          App::smartShowWindow(getMainWindow());
+      }
+    );
+  }
+
   // Init core.
   CoreManager::init(this, mParser.value("config"));
-  qInfo() << "Activated selectors:" << QQmlFileSelector::get(&mEngine)->selector()->allSelectors();
+
+  // Init engine content.
+  mEngine = new QQmlApplicationEngine();
+  qInfo() << QStringLiteral("Activated selectors:") << QQmlFileSelector::get(mEngine)->selector()->allSelectors();
 
   // Provide `+custom` folders for custom components.
-  (new QQmlFileSelector(&mEngine, this))->setExtraSelectors(QStringList("custom"));
+  (new QQmlFileSelector(mEngine, mEngine))->setExtraSelectors(QStringList("custom"));
 
   // Set modules paths.
-  mEngine.addImportPath(":/ui/modules");
-  mEngine.addImportPath(":/ui/scripts");
-  mEngine.addImportPath(":/ui/views");
+  mEngine->addImportPath(":/ui/modules");
+  mEngine->addImportPath(":/ui/scripts");
+  mEngine->addImportPath(":/ui/views");
 
   // Provide avatars/thumbnails providers.
-  mEngine.addImageProvider(AvatarProvider::PROVIDER_ID, new AvatarProvider());
-  mEngine.addImageProvider(ThumbnailProvider::PROVIDER_ID, new ThumbnailProvider());
+  mEngine->addImageProvider(AvatarProvider::PROVIDER_ID, new AvatarProvider());
+  mEngine->addImageProvider(ThumbnailProvider::PROVIDER_ID, new ThumbnailProvider());
 
-  // Don't quit if last window is closed!!!
-  setQuitOnLastWindowClosed(false);
-
-  // Register types.
   registerTypes();
+  registerSharedTypes();
 
   // Enable notifications.
-  mNotifier = new Notifier(this);
+  createNotifier();
 
   // Load main view.
-  qInfo() << "Loading main view...";
-  mEngine.load(QUrl(QML_VIEW_MAIN_WINDOW));
-  if (mEngine.rootObjects().isEmpty())
+  qInfo() << QStringLiteral("Loading main view...");
+  mEngine->load(QUrl(QML_VIEW_MAIN_WINDOW));
+  if (mEngine->rootObjects().isEmpty())
     qFatal("Unable to open main window.");
 
   // Load splashscreen.
@@ -159,13 +181,6 @@ void App::initContentApp () {
     &CoreManager::linphoneCoreCreated,
     this, mParser.isSet("selftest") ? &App::quit : &App::openAppAfterInit
   );
-
-  QObject::connect(
-    this, &App::receivedMessage, this, [this](int, QByteArray message) {
-      if (message == "show")
-        App::smartShowWindow(getMainWindow());
-    }
-  );
 }
 
 // -----------------------------------------------------------------------------
@@ -228,7 +243,7 @@ QQuickWindow *App::getCallsWindow () {
 
 QQuickWindow *App::getMainWindow () const {
   return qobject_cast<QQuickWindow *>(
-    const_cast<QQmlApplicationEngine *>(&mEngine)->rootObjects().at(0)
+    const_cast<QQmlApplicationEngine *>(mEngine)->rootObjects().at(0)
   );
 }
 
@@ -238,7 +253,7 @@ QQuickWindow *App::getSettingsWindow () {
     QObject::connect(
       mSettingsWindow, &QWindow::visibilityChanged, this, [](QWindow::Visibility visibility) {
         if (visibility == QWindow::Hidden) {
-          qInfo() << "Update nat policy.";
+          qInfo() << QStringLiteral("Update nat policy.");
           shared_ptr<linphone::Core> core = CoreManager::getInstance()->getCore();
           core->setNatPolicy(core->getNatPolicy());
         }
@@ -331,6 +346,10 @@ void App::registerTypes () {
   registerUncreatableType(ContactModel, "ContactModel");
   registerUncreatableType(SipAddressObserver, "SipAddressObserver");
   registerUncreatableType(VcardModel, "VcardModel");
+}
+
+void App::registerSharedTypes () {
+  qInfo() << QStringLiteral("Registering shared types...");
 
   registerSharedSingletonType(App, "App", App::getInstance);
   registerSharedSingletonType(CoreManager, "CoreManager", CoreManager::getInstance);
@@ -348,7 +367,7 @@ void App::registerTypes () {
 
 void App::setTrayIcon () {
   QQuickWindow *root = getMainWindow();
-  QSystemTrayIcon *systemTrayIcon = new QSystemTrayIcon(root);
+  QSystemTrayIcon *systemTrayIcon = new QSystemTrayIcon(mEngine);
 
   // trayIcon: Right click actions.
   QAction *quitAction = new QAction("Quit", root);
@@ -387,6 +406,13 @@ void App::setTrayIcon () {
 
 // -----------------------------------------------------------------------------
 
+void App::createNotifier () {
+  if (!mNotifier)
+    mNotifier = new Notifier(this);
+}
+
+// -----------------------------------------------------------------------------
+
 QString App::getConfigLocale () const {
   return ::Utils::linphoneStringToQString(
     CoreManager::getInstance()->getCore()->getConfig()->getString(
diff --git a/linphone-desktop/src/app/App.hpp b/linphone-desktop/src/app/App.hpp
index e995933f7..9e26f2a8f 100644
--- a/linphone-desktop/src/app/App.hpp
+++ b/linphone-desktop/src/app/App.hpp
@@ -30,6 +30,8 @@
 #include "../components/notifier/Notifier.hpp"
 #include "../externals/single-application/SingleApplication.hpp"
 
+#define APP_CODE_RESTART 1000
+
 // =============================================================================
 
 class DefaultTranslator;
@@ -52,7 +54,7 @@ public:
   void tryToUsePreferredLocale ();
 
   QQmlEngine *getEngine () {
-    return &mEngine;
+    return mEngine;
   }
 
   Notifier *getNotifier () const {
@@ -64,12 +66,16 @@ public:
 
   bool hasFocus () const;
 
-  Q_INVOKABLE QQuickWindow *getSettingsWindow ();
-
   static App *getInstance () {
     return static_cast<App *>(QApplication::instance());
   }
 
+  Q_INVOKABLE void restart () {
+    exit(APP_CODE_RESTART);
+  }
+
+  Q_INVOKABLE QQuickWindow *getSettingsWindow ();
+
   Q_INVOKABLE static void smartShowWindow (QQuickWindow *window);
   Q_INVOKABLE static QString convertUrlToLocalPath (const QUrl &url);
 
@@ -81,7 +87,9 @@ signals:
 
 private:
   void registerTypes ();
+  void registerSharedTypes ();
   void setTrayIcon ();
+  void createNotifier ();
 
   QString getConfigLocale () const;
   void setConfigLocale (const QString &locale);
@@ -103,7 +111,7 @@ private:
   QVariantList mAvailableLocales;
   QString mLocale;
 
-  QQmlApplicationEngine mEngine;
+  QQmlApplicationEngine *mEngine = nullptr;
 
   DefaultTranslator *mTranslator = nullptr;
   Notifier *mNotifier = nullptr;
diff --git a/linphone-desktop/src/components/core/CoreManager.cpp b/linphone-desktop/src/components/core/CoreManager.cpp
index 1a884d701..546f28c47 100644
--- a/linphone-desktop/src/components/core/CoreManager.cpp
+++ b/linphone-desktop/src/components/core/CoreManager.cpp
@@ -73,6 +73,13 @@ void CoreManager::init (QObject *parent, const QString &configPath) {
   QObject::connect(timer, &QTimer::timeout, mInstance, &CoreManager::iterate);
 }
 
+void CoreManager::uninit () {
+  if (mInstance) {
+    delete mInstance;
+    mInstance = nullptr;
+  }
+}
+
 // -----------------------------------------------------------------------------
 
 VcardModel *CoreManager::createDetachedVcardModel () {
diff --git a/linphone-desktop/src/components/core/CoreManager.hpp b/linphone-desktop/src/components/core/CoreManager.hpp
index bfeaf3fc6..eaf9e564b 100644
--- a/linphone-desktop/src/components/core/CoreManager.hpp
+++ b/linphone-desktop/src/components/core/CoreManager.hpp
@@ -98,6 +98,7 @@ public:
   // ---------------------------------------------------------------------------
 
   static void init (QObject *parent, const QString &configPath);
+  static void uninit ();
 
   static CoreManager *getInstance () {
     return mInstance;
diff --git a/linphone-desktop/src/main.cpp b/linphone-desktop/src/main.cpp
index 3faeb435c..343bbc2c7 100644
--- a/linphone-desktop/src/main.cpp
+++ b/linphone-desktop/src/main.cpp
@@ -97,7 +97,12 @@ int main (int argc, char *argv[]) {
   // Init and run!
   // ---------------------------------------------------------------------------
 
-  app.initContentApp();
   qInfo() << QStringLiteral("Running app...");
-  return app.exec();
+
+  int ret;
+  do {
+    app.initContentApp();
+    ret = app.exec();
+  } while (ret == APP_CODE_RESTART);
+  return ret;
 }
diff --git a/linphone-desktop/ui/views/App/Main/Assistant/FetchRemoteConfiguration.qml b/linphone-desktop/ui/views/App/Main/Assistant/FetchRemoteConfiguration.qml
index be5e64610..e00c4d657 100644
--- a/linphone-desktop/ui/views/App/Main/Assistant/FetchRemoteConfiguration.qml
+++ b/linphone-desktop/ui/views/App/Main/Assistant/FetchRemoteConfiguration.qml
@@ -1,10 +1,11 @@
 import Common 1.0
+import Linphone 1.0
 
 // =============================================================================
 
 AssistantAbstractView {
   mainAction: (function () {
-    console.log('TODO')
+    App.restart()
   })
 
   mainActionEnabled: url.text.length > 0