diff --git a/backend/main.py b/backend/main.py
index 4490cbb..44d780c 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -1401,6 +1401,16 @@ async def knigge_page():
 # SPA Fallback — ALLE nicht-API-Routen gehen zur index.html
 @app.get("/{full_path:path}")
 async def spa_fallback(full_path: str):
+    IS_STAGING = os.getenv("STAGING", "false").lower() == "true"
+    if IS_STAGING:
+        from fastapi.responses import HTMLResponse
+        with open(f"{STATIC_DIR}/index.html", encoding="utf-8") as f:
+            html = f.read()
+        html = html.replace(
+            '<link rel="apple-touch-icon" sizes="180x180" href="/icons/icon-180.png">',
+            '<link rel="apple-touch-icon" sizes="180x180" href="/icons/icon-180-staging.png">',
+        )
+        return HTMLResponse(content=html, headers={"Cache-Control": "no-cache"})
     return FileResponse(
         f"{STATIC_DIR}/index.html",
         headers={"Cache-Control": "no-cache"}
diff --git a/backend/static/icons/icon-180-staging.png b/backend/static/icons/icon-180-staging.png
new file mode 100644
index 0000000..fc2be5c
Binary files /dev/null and b/backend/static/icons/icon-180-staging.png differ
diff --git a/backend/static/js/app.js b/backend/static/js/app.js
index 697e7d6..4463bbd 100644
--- a/backend/static/js/app.js
+++ b/backend/static/js/app.js
@@ -3,7 +3,7 @@
    Router, State-Management, Navigation, Initialisierung.
    ============================================================ */
 
-const APP_VER     = '490'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER     = '491'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 const APP_VERSION = '1.0.0'; // ← semantische Version, wird bei make release gesetzt
 const IS_STAGING  = location.hostname === 'staging.banyaro.app';
 
diff --git a/backend/static/sw.js b/backend/static/sw.js
index c28125f..8b5ea5f 100644
--- a/backend/static/sw.js
+++ b/backend/static/sw.js
@@ -3,7 +3,7 @@
    Offline-Cache + Push Notifications + Tile-Cache
    ============================================================ */
 
-const CACHE_VERSION = 'by-v513';
+const CACHE_VERSION = 'by-v514';
 const CACHE_STATIC  = `${CACHE_VERSION}-static`;
 const CACHE_TILES   = 'ban-yaro-tiles-v1';  // bleibt über SW-Updates erhalten
 const CACHE_API     = 'ban-yaro-api-v1';    // API-Response-Cache