diff --git a/android/app/src/main/res/drawable/appwidget_preview.png b/android/app/src/main/res/drawable/appwidget_preview.png
index a34b0def..77497fd4 100644
Binary files a/android/app/src/main/res/drawable/appwidget_preview.png and b/android/app/src/main/res/drawable/appwidget_preview.png differ
diff --git a/lib/homeComponent/view/contactCard/contact_card_loading_view.dart b/lib/homeComponent/view/contactCard/contact_card_loading_view.dart
index ba81f7c6..85721965 100644
--- a/lib/homeComponent/view/contactCard/contact_card_loading_view.dart
+++ b/lib/homeComponent/view/contactCard/contact_card_loading_view.dart
@@ -23,7 +23,7 @@ class ContactCardLoadingView extends StatelessWidget {
             children: [
               ShimmerView(
                 child: PlaceholderText(
-                  text: "max.mustermann@tum.de",
+                  text: "StudentCard".toUpperCase(),
                   style: Theme.of(context).textTheme.bodySmall?.copyWith(
                         color: Colors.grey,
                         fontWeight: FontWeight.w700,
@@ -36,14 +36,11 @@ class ContactCardLoadingView extends StatelessWidget {
                   style: Theme.of(context).textTheme.headlineSmall,
                 ),
               ),
-              const ShimmerView(
-                child: PlaceholderText(text: "go43hum"),
-              ),
               const ShimmerView(
                 child: PlaceholderText(text: "max.mustermann@tum.de"),
               ),
               const ShimmerView(
-                child: PlaceholderText(text: "max.mustermann@tum.de"),
+                child: PlaceholderText(text: "go42tum"),
               ),
             ],
           ),
diff --git a/lib/homeComponent/view/contactCard/contact_card_view.dart b/lib/homeComponent/view/contactCard/contact_card_view.dart
index 9f1d14b8..b703cd9b 100644
--- a/lib/homeComponent/view/contactCard/contact_card_view.dart
+++ b/lib/homeComponent/view/contactCard/contact_card_view.dart
@@ -89,9 +89,10 @@ class _ContactCardViewState extends ConsumerState<ContactCardView> {
                     data.email,
                     maxLines: 1,
                   ),
-                Text(
-                  profile.tumID ?? "go42tum",
-                ),
+                if (profile.tumID != null)
+                  Text(
+                    profile.tumID!,
+                  ),
               ],
             ),
           ),
diff --git a/lib/main.dart b/lib/main.dart
index 2e209421..c269146f 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -170,7 +170,6 @@ class _CampusAppState extends ConsumerState<CampusApp>
   void firebaseCallback() {
     if (!kDebugMode) {
       final remoteConfig = FirebaseRemoteConfig.instance;
-      remoteConfig.fetchAndActivate();
       remoteConfig.fetchAndActivate().then((value) {
         if (value) {
           _handleFirebaseValues(