diff --git a/lib/main.dart b/lib/main.dart
index 6b80c64..607db29 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -41,7 +41,7 @@ void main() async {
   await settingsController.loadSettings();
   await SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
 
-  // unawaited(setupPushNotification());
+  unawaited(setupPushNotification());
 
   gCameras = await availableCameras();
 
diff --git a/lib/src/services/api.service.dart b/lib/src/services/api.service.dart
index 86651df..57b3ed9 100644
--- a/lib/src/services/api.service.dart
+++ b/lib/src/services/api.service.dart
@@ -367,6 +367,12 @@ class ApiService {
     final user = await getUser();
 
     if (apiAuthToken != null && user != null) {
+      if (user.appVersion < 62) {
+        Log.error(
+          'DID NOT authenticate the user, as he still has the old version!',
+        );
+        return false;
+      }
       final authenticate = Handshake_Authenticate()
         ..userId = Int64(userId)
         ..appVersion = (await PackageInfo.fromPlatform()).version