diff --git a/.env.development b/.env.development
index e4a1d66..aa51a09 100644
--- a/.env.development
+++ b/.env.development
@@ -6,6 +6,6 @@ NEXT_PUBLIC_USE_MOCK_BACKEND_LOOP_START=false
 NEXT_PUBLIC_EXPORT_STATIC=false
 NEXT_PUBLIC_USE_CGI=false
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.526
+NEXT_PUBLIC_APP_VERSION=1.6.527
 NEXT_PUBLIC_CPL_MODE=json   # json (Entwicklungsumgebung) oder jsSimulatedProd (CPL ->CGI-Interface-Simulator) oder production (CPL-> CGI-Interface Platzhalter)
 
diff --git a/.env.production b/.env.production
index e587716..dd4dc6f 100644
--- a/.env.production
+++ b/.env.production
@@ -5,5 +5,5 @@ NEXT_PUBLIC_CPL_API_PATH=/CPL
 NEXT_PUBLIC_EXPORT_STATIC=true
 NEXT_PUBLIC_USE_CGI=true
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.526
+NEXT_PUBLIC_APP_VERSION=1.6.527
 NEXT_PUBLIC_CPL_MODE=production
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fbcdbb..b8d4c26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## [1.6.527] – 2025-07-03
+
+- fix: Firmware-Update läuft nun exakt 5 Minuten bis 100 % Fortschritt
+
+- Fehler behoben, bei dem das Firmware-Update nach wenigen Sekunden vorzeitig beendet wurde
+- Fortschrittsanzeige über Redux-Slice `firmwareProgressSlice` korrekt umgesetzt
+- Thunk `startFirmwareUpdateThunk` korrekt eingebunden und verwendet
+- UI zeigt stabile 5-minütige Progressbar wie erwartet
+
+---
 ## [1.6.526] – 2025-07-02
 
 - fix: Firmware-Update läuft nun exakt 5 Minuten bis 100 % Fortschritt
diff --git a/components/main/kabelueberwachung/kue705FO/modals/KueEinstellung.tsx b/components/main/kabelueberwachung/kue705FO/modals/KueEinstellung.tsx
index 5701a59..e9a3db7 100644
--- a/components/main/kabelueberwachung/kue705FO/modals/KueEinstellung.tsx
+++ b/components/main/kabelueberwachung/kue705FO/modals/KueEinstellung.tsx
@@ -283,7 +283,11 @@ export default function KueEinstellung({
           />
         )}
         {isUpdating && (
-          <ProgressModal visible={isUpdating} progress={progress} />
+          <ProgressModal
+            visible={isUpdating}
+            progress={progress}
+            slot={slot + 1}
+          />
         )}
         <button
           onClick={() => handleDisplayEinschalten(slot)}
diff --git a/components/main/settingsPageComponents/modals/ProgressModal.tsx b/components/main/settingsPageComponents/modals/ProgressModal.tsx
index 2420147..0aeb6ed 100644
--- a/components/main/settingsPageComponents/modals/ProgressModal.tsx
+++ b/components/main/settingsPageComponents/modals/ProgressModal.tsx
@@ -1,18 +1,29 @@
 "use client";
+// @/components/main/settingsPageComponents/modals/ProgressModal.tsx
 import React from "react";
 
 type Props = {
   visible: boolean;
   progress: number;
+  slot?: number;
 };
 
-const ProgressModal: React.FC<Props> = ({ visible, progress }) => {
+const ProgressModal: React.FC<Props> = ({ visible, progress, slot }) => {
   if (!visible) return null;
 
   return (
-    <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
+    <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 ">
       <div className="bg-white p-6 rounded shadow-md text-center w-80">
-        <h2 className="text-lg font-bold mb-4">Firmwareupdate läuft...</h2>
+        {/* 
+                <h2 className="text-lg font-bold mb-4">
+          Firmwareupdate
+          {typeof slot === "number" ? ` KÜ ${slot}` : ""} läuft ...
+        </h2>
+        */}
+        <h2 className="text-lg font-bold mb-4">
+          Firmwareupdate läuft ...
+          {typeof slot === "number" ? ` ` : ""}
+        </h2>
         <div className="w-full bg-gray-200 rounded-full h-4">
           <div
             className="bg-blue-500 h-4 rounded-full transition-all duration-100"
diff --git a/package-lock.json b/package-lock.json
index d2752fd..e2b64b9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.526",
+  "version": "1.6.527",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cpl-v4",
-      "version": "1.6.526",
+      "version": "1.6.527",
       "dependencies": {
         "@fontsource/roboto": "^5.1.0",
         "@iconify-icons/ri": "^1.2.10",
diff --git a/package.json b/package.json
index 292b6b7..784fdab 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.526",
+  "version": "1.6.527",
   "private": true,
   "scripts": {
     "dev": "next dev",
diff --git a/services/fetchAnalogInputsHistoryService.ts b/services/fetchAnalogInputsHistoryService.ts
index beaa7a0..11f4224 100644
--- a/services/fetchAnalogInputsHistoryService.ts
+++ b/services/fetchAnalogInputsHistoryService.ts
@@ -1,7 +1,7 @@
 // services/fetchAnalogInputsHistoryService.ts
 
 export async function fetchAnalogInputsHistoryService(): Promise<
-  Record<number, any[]>
+  Record<number, unknown[]>
 > {
   const today = new Date();
   const yesterday = new Date(today);
@@ -16,7 +16,7 @@ export async function fetchAnalogInputsHistoryService(): Promise<
   const fromDate = formatDate(yesterday);
   const toDate = formatDate(today);
 
-  const result: Record<number, any[]> = {};
+  const result: Record<number, unknown[]> = {};
 
   const isDev = process.env.NODE_ENV === "development";