diff --git a/backend/main.py b/backend/main.py
index 6c17b53..ab1ba08 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -406,7 +406,7 @@ async def serve_media(path: str, request: _Request):
         raise _HE(404, "Nicht gefunden.")
     return _media_response(filepath)
 
-APP_VER = "946"  # muss mit APP_VER in app.js übereinstimmen
+APP_VER = "947"  # muss mit APP_VER in app.js übereinstimmen
 
 @app.get("/.well-known/assetlinks.json")
 async def assetlinks():
diff --git a/backend/static/js/app.js b/backend/static/js/app.js
index 20c119a..2948711 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     = '946'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER     = '947'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 const APP_VERSION = '1.5.1'; // ← semantische Version, wird bei make release gesetzt
 const IS_STAGING  = location.hostname === 'staging.banyaro.app';
 // Cache-Bust-Parameter nach Update-Reload sofort entfernen
diff --git a/backend/static/js/pages/routes.js b/backend/static/js/pages/routes.js
index 32186f9..9b6c37b 100644
--- a/backend/static/js/pages/routes.js
+++ b/backend/static/js/pages/routes.js
@@ -668,13 +668,25 @@ window.Page_routes = (() => {
           <span>·</span>
           <span id="rk-rec-dim-dist">0.00 km</span>
         </div>
-        <svg width="56" height="56" viewBox="0 0 56 56" style="margin-top:36px">
-          <circle cx="28" cy="28" r="24" fill="none" stroke="rgba(255,255,255,.12)" stroke-width="2.5"/>
-          <circle id="rk-dim-prog" cx="28" cy="28" r="24" fill="none" stroke="rgba(255,255,255,.7)" stroke-width="2.5"
-            stroke-dasharray="150.8" stroke-dashoffset="150.8" stroke-linecap="round"
-            transform="rotate(-90 28 28)" style="transition:none"/>
-        </svg>
-        <div style="font-size:11px;opacity:.3;margin-top:8px">2 Sek. halten</div>
+        <button id="rk-dim-unlock-btn"
+                style="background:none;border:none;cursor:pointer;outline:none;
+                       display:flex;flex-direction:column;align-items:center;gap:0;
+                       margin-top:36px;padding:0;-webkit-tap-highlight-color:transparent;
+                       touch-action:none;user-select:none">
+          <div style="position:relative;width:56px;height:56px">
+            <svg width="56" height="56" viewBox="0 0 56 56">
+              <circle cx="28" cy="28" r="24" fill="none" stroke="rgba(255,255,255,.12)" stroke-width="2.5"/>
+              <circle id="rk-dim-prog" cx="28" cy="28" r="24" fill="none" stroke="rgba(255,255,255,.7)" stroke-width="2.5"
+                stroke-dasharray="150.8" stroke-dashoffset="150.8" stroke-linecap="round"
+                transform="rotate(-90 28 28)" style="transition:none"/>
+            </svg>
+            <svg style="position:absolute;inset:0;margin:auto;width:24px;height:24px;opacity:.55"
+                 viewBox="0 0 256 256" aria-hidden="true">
+              <use href="/icons/phosphor.svg#fingerprint"></use>
+            </svg>
+          </div>
+          <div style="font-size:11px;opacity:.3;margin-top:8px">2 Sek. halten</div>
+        </button>
       </div>
     `;
     document.body.appendChild(ovl);
@@ -789,16 +801,18 @@ window.Page_routes = (() => {
     _recOvl.addEventListener('touchstart', _onRecOvlTouch, { passive: true });
     _recOvl.addEventListener('pointerdown', _onRecOvlTouch);
 
-    // Long-Press auf dem Schwarzbildschirm → nach 4s zurück zur Aufzeichnung
-    const dim = document.getElementById('rk-rec-dim');
+    // Long-Press auf Fingerabdruck-Button → nach 2s zurück zur Aufzeichnung
+    const dim       = document.getElementById('rk-rec-dim');
+    const unlockBtn = document.getElementById('rk-dim-unlock-btn');
     let _lpTimer = null;
     const cancelLp = () => {
       clearTimeout(_lpTimer);
       const prog = document.getElementById('rk-dim-prog');
       if (prog) { prog.style.transition = 'none'; prog.style.strokeDashoffset = '150.8'; }
     };
-    dim.addEventListener('pointerdown', e => {
+    unlockBtn.addEventListener('pointerdown', e => {
       e.stopPropagation();
+      unlockBtn.setPointerCapture(e.pointerId);
       const prog = document.getElementById('rk-dim-prog');
       if (prog) { prog.style.transition = 'stroke-dashoffset 2s linear'; prog.style.strokeDashoffset = '0'; }
       _lpTimer = setTimeout(() => {
@@ -807,9 +821,9 @@ window.Page_routes = (() => {
         _resetRecInactTimer();
       }, 2000);
     });
-    dim.addEventListener('pointerup',     cancelLp);
-    dim.addEventListener('pointercancel', cancelLp);
-    dim.addEventListener('pointerleave',  cancelLp);
+    unlockBtn.addEventListener('pointerup',     cancelLp);
+    unlockBtn.addEventListener('pointercancel', cancelLp);
+    unlockBtn.addEventListener('pointerleave',  cancelLp);
   }
 
   function _onRecOvlTouch(e) {
diff --git a/backend/static/sw.js b/backend/static/sw.js
index c90276e..c808da1 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-v946';
+const CACHE_VERSION = 'by-v947';
 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