diff --git a/html/header.html b/html/header.html
index b04a2bc..ac81af9 100644
--- a/html/header.html
+++ b/html/header.html
@@ -12,7 +12,7 @@
         <div style="display: flex; align-items: center; gap: 2rem;">
             <img src="/logo.png" alt="FilaMan Logo" class="logo">
             <div class="logo-text">
-                <h1>FilaMan<span class="version">v1.2.1</span></h1>
+                <h1>FilaMan<span class="version">v1.2.2</span></h1>
                 <h4>Filament Management Tool</h4>
             </div>
         </div>
diff --git a/html/index.html b/html/index.html
index 6325bcf..69064e9 100644
--- a/html/index.html
+++ b/html/index.html
@@ -12,7 +12,7 @@
         <div style="display: flex; align-items: center; gap: 2rem;">
             <img src="/logo.png" alt="FilaMan Logo" class="logo">
             <div class="logo-text">
-                <h1>FilaMan<span class="version">v1.2.1</span></h1>
+                <h1>FilaMan<span class="version">v1.2.2</span></h1>
                 <h4>Filament Management Tool</h4>
             </div>
         </div>
diff --git a/html/rfid.html b/html/rfid.html
index e1a9d74..adc7a25 100644
--- a/html/rfid.html
+++ b/html/rfid.html
@@ -12,7 +12,7 @@
         <div style="display: flex; align-items: center; gap: 2rem;">
             <img src="/logo.png" alt="FilaMan Logo" class="logo">
             <div class="logo-text">
-                <h1>FilaMan<span class="version">v1.2.1</span></h1>
+                <h1>FilaMan<span class="version">v1.2.2</span></h1>
                 <h4>Filament Management Tool</h4>
             </div>
         </div>
diff --git a/html/spoolman.html b/html/spoolman.html
index 8745fa7..478ec44 100644
--- a/html/spoolman.html
+++ b/html/spoolman.html
@@ -12,7 +12,7 @@
         <div style="display: flex; align-items: center; gap: 2rem;">
             <img src="/logo.png" alt="FilaMan Logo" class="logo">
             <div class="logo-text">
-                <h1>FilaMan<span class="version">v1.2.1</span></h1>
+                <h1>FilaMan<span class="version">v1.2.2</span></h1>
                 <h4>Filament Management Tool</h4>
             </div>
         </div>
diff --git a/html/style.css b/html/style.css
index ebe23f5..692f120 100644
--- a/html/style.css
+++ b/html/style.css
@@ -1056,6 +1056,7 @@ input[type="submit"]:disabled,
     box-shadow: 0 2px 4px rgba(0,0,0,0.1);
     margin: 0 auto;
     width: 400px;
+    text-align: center;
 }
 .update-form input[type="file"] {
     margin-bottom: 15px;
@@ -1063,6 +1064,7 @@ input[type="submit"]:disabled,
     padding: 8px;
     border: 1px solid #ddd;
     border-radius: 4px;
+    background: white;
 }
 .update-form input[type="submit"] {
     background-color: #4CAF50;
@@ -1072,6 +1074,7 @@ input[type="submit"]:disabled,
     border-radius: 4px;
     cursor: pointer;
     font-size: 16px;
+    transition: background-color 0.3s;
 }
 .update-form input[type="submit"]:hover {
     background-color: #45a049;
@@ -1083,8 +1086,10 @@ input[type="submit"]:disabled,
 .warning {
     background-color: var(--primary-color);
     border: 1px solid #ffe0b2;
-    color: #e65100;
+    color: white;
     padding: 15px;
-    margin: 20px 0;
+    margin: 20px auto;
     border-radius: 4px;
+    max-width: 600px;
+    text-align: center;
 }
\ No newline at end of file
diff --git a/html/upgrade.html b/html/upgrade.html
index 5d7612f..35c6d30 100644
--- a/html/upgrade.html
+++ b/html/upgrade.html
@@ -1,4 +1,3 @@
-
 <!-- head --><!DOCTYPE html>
 <html lang="en">
 <head>
@@ -13,7 +12,7 @@
         <div style="display: flex; align-items: center; gap: 2rem;">
             <img src="/logo.png" alt="FilaMan Logo" class="logo">
             <div class="logo-text">
-                <h1>FilaMan<span class="version">v1.2.1</span></h1>
+                <h1>FilaMan<span class="version">v1.2.2</span></h1>
                 <h4>Filament Management Tool</h4>
             </div>
         </div>
@@ -42,14 +41,13 @@
 
         <div class="warning">
             <strong>Warning:</strong> Please do not turn off or restart the device during the update. 
-                        Configuration files will be automatically backed up and restored after the update.
+            The device will restart automatically after the update.
         </div>
 
-        
-        <div class="update-form" style="align-items: center;">
-            <form id="updateForm" enctype='multipart/form-data' style="text-align: center;"></form>
+        <div class="update-form">
+            <form id="updateForm" enctype='multipart/form-data'>
                 <input type='file' name='update' accept='.bin' required>
-                <input type='submit' value='Firmware Update starten'>
+                <input type='submit' value='Start Firmware Update'>
             </form>
         </div>
 
@@ -60,10 +58,21 @@
     </div>
 
     <script>
+        // Hide status indicators during update
+        const statusContainer = document.querySelector('.status-container');
+        if (statusContainer) {
+            statusContainer.style.display = 'none';
+        }
+
         document.getElementById('updateForm').addEventListener('submit', async (e) => {
             e.preventDefault();
             const form = e.target;
             const file = form.update.files[0];
+            if (!file) {
+                alert('Please select a firmware file.');
+                return;
+            }
+
             const formData = new FormData();
             formData.append('update', file);
 
@@ -91,21 +100,24 @@
                 try {
                     let response = this.responseText;
                     try {
-                        // Versuche als JSON zu parsen
                         const jsonResponse = JSON.parse(response);
                         response = jsonResponse.message;
                         
                         if (jsonResponse.restart) {
-                            // Wenn Gerät neustartet, warte und lade dann neu
-                            status.textContent = response + " Weiterleitung in 5 Sekunden...";
-                            setTimeout(() => {
-                                window.location.href = '/';
-                            }, 5000);
+                            status.textContent = response + " Redirecting in 20 seconds...";
+                            let countdown = 20;
+                            const timer = setInterval(() => {
+                                countdown--;
+                                if (countdown <= 0) {
+                                    clearInterval(timer);
+                                    window.location.href = '/';
+                                } else {
+                                    status.textContent = response + ` Redirecting in ${countdown} seconds...`;
+                                }
+                            }, 1000);
                         }
                     } catch (e) {
-                        // Wenn kein JSON, nutze response als Text
                         if (!isNaN(response)) {
-                            // Wenn es eine Zahl ist, update den Fortschritt
                             const percent = parseInt(response);
                             progress.style.width = percent + '%';
                             progress.textContent = percent + '%';
@@ -121,7 +133,7 @@
                         form.querySelector('input[type=submit]').disabled = false;
                     }
                 } catch (error) {
-                    status.textContent = 'Fehler: ' + error.message;
+                    status.textContent = 'Error: ' + error.message;
                     status.classList.add('error');
                     status.style.display = 'block';
                     form.querySelector('input[type=submit]').disabled = false;
@@ -129,7 +141,7 @@
             };
 
             xhr.onerror = function() {
-                status.textContent = 'Update fehlgeschlagen: Netzwerkfehler';
+                status.textContent = 'Update failed: Network error';
                 status.classList.add('error');
                 status.style.display = 'block';
                 form.querySelector('input[type=submit]').disabled = false;
diff --git a/html/waage.html b/html/waage.html
index 4799cca..f975582 100644
--- a/html/waage.html
+++ b/html/waage.html
@@ -12,7 +12,7 @@
         <div style="display: flex; align-items: center; gap: 2rem;">
             <img src="/logo.png" alt="FilaMan Logo" class="logo">
             <div class="logo-text">
-                <h1>FilaMan<span class="version">v1.2.1</span></h1>
+                <h1>FilaMan<span class="version">v1.2.2</span></h1>
                 <h4>Filament Management Tool</h4>
             </div>
         </div>
diff --git a/html/wifi.html b/html/wifi.html
index 6ff8add..f21da1e 100644
--- a/html/wifi.html
+++ b/html/wifi.html
@@ -12,7 +12,7 @@
         <div style="display: flex; align-items: center; gap: 2rem;">
             <img src="/logo.png" alt="FilaMan Logo" class="logo">
             <div class="logo-text">
-                <h1>FilaMan<span class="version">v1.2.1</span></h1>
+                <h1>FilaMan<span class="version">v1.2.2</span></h1>
                 <h4>Filament Management Tool</h4>
             </div>
         </div>
diff --git a/partitions.csv b/partitions.csv
index aa1daa1..20f6171 100644
--- a/partitions.csv
+++ b/partitions.csv
@@ -1,6 +1,6 @@
-# Name,   Type,  SubType,    Offset,    Size,     Flags
-nvs,      data,  nvs,       0x9000,   0x5000,
-otadata,  data,  ota,       0xe000,   0x2000,
-app0,     app,   factory,   0x10000,  0x1E0000,
-app1,     app,   ota_0,     0x1F0000, 0x1E0000,
-spiffs,   data,  spiffs,    0x3D0000, 0x30000,
\ No newline at end of file
+# Name,   Type, SubType,    Offset,   Size,     Flags
+nvs,      data, nvs,       0x9000,   0x5000,
+otadata,  data, ota,       0xe000,   0x2000,
+app0,     app,  ota_0,     0x10000,  0x1E0000,
+app1,     app,  ota_1,     0x1F0000, 0x1E0000,
+spiffs,   data, spiffs,    0x3D0000, 0x30000,
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index b6c4236..ad05ee9 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [common]
-version = "1.2.2"
+version = "1.2.3"
 
 [env:esp32dev]
 platform = espressif32
@@ -52,6 +52,13 @@ build_flags =
     -DARDUINO_EVENT_RUNNING_CORE=1
     -DCONFIG_OPTIMIZATION_LEVEL_DEBUG=1
     -DCONFIG_ESP32_PANIC_PRINT_REBOOT
+    -DCONFIG_ARDUINO_OTA_READSIZE=1024
+    -DCONFIG_ASYNC_TCP_RUNNING_CORE=1
+    -DCONFIG_ASYNC_TCP_USE_WDT=0
+    -DCONFIG_LWIP_TCP_MSS=1460
+    -DOTA_PARTITION_SUBTYPE=0x10
+    -DPARTITION_TABLE_OFFSET=0x8000
+    -DPARTITION_TABLE_SIZE=0x1000
     
 extra_scripts = 
     scripts/extra_script.py
diff --git a/src/ota.cpp b/src/ota.cpp
index 6503f18..bae464e 100644
--- a/src/ota.cpp
+++ b/src/ota.cpp
@@ -3,219 +3,44 @@
 #include <Update.h>
 #include <SPIFFS.h>
 #include "commonFS.h"
-#include <esp_task_wdt.h>
-#include <esp_int_wdt.h>
-#include <esp_pthread.h>
-#include <esp_ota_ops.h>
-
-// Reduzierter Puffer für Dateioperationen
-const size_t BUFFER_SIZE = 128;
-const size_t MIN_FREE_HEAP = 32768; // 32KB minimum free heap
-
-// Files to backup before update
-const char* CONFIG_FILES[] = {
-    "/bambu_credentials.json",
-    "/spoolman_url.json"
-};
-const int CONFIG_FILES_COUNT = sizeof(CONFIG_FILES) / sizeof(CONFIG_FILES[0]);
-
-bool backupConfigs() {
-    if (!SPIFFS.begin(true)) {
-        Serial.println("Failed to mount SPIFFS");
-        return false;
-    }
-
-    for (int i = 0; i < CONFIG_FILES_COUNT; i++) {
-        if (SPIFFS.exists(CONFIG_FILES[i])) {
-            String backupFile = String(CONFIG_FILES[i]) + ".bak";
-            
-            if (SPIFFS.exists(backupFile)) {
-                SPIFFS.remove(backupFile);
-            }
-            
-            File sourceFile = SPIFFS.open(CONFIG_FILES[i], "r");
-            File destFile = SPIFFS.open(backupFile, "w");
-            
-            if (!sourceFile || !destFile) {
-                Serial.printf("Failed to open files for backup: %s\n", CONFIG_FILES[i]);
-                return false;
-            }
-
-            // Verwenden Sie einen kleineren Puffer
-            uint8_t* buf = (uint8_t*)malloc(BUFFER_SIZE);
-            if (!buf) {
-                Serial.println("Failed to allocate buffer");
-                sourceFile.close();
-                destFile.close();
-                return false;
-            }
-
-            size_t len = 0;
-            bool success = true;
-            while ((len = sourceFile.read(buf, BUFFER_SIZE)) > 0) {
-                if (destFile.write(buf, len) != len) {
-                    Serial.println("Write failed");
-                    success = false;
-                    break;
-                }
-            }
-
-            free(buf);
-            sourceFile.close();
-            destFile.close();
-
-            if (!success) {
-                return false;
-            }
-        }
-    }
-    return true;
-}
-
-bool restoreConfigs() {
-    if (!SPIFFS.begin(true)) {
-        Serial.println("Failed to mount SPIFFS");
-        return false;
-    }
-
-    bool success = true;
-    for (int i = 0; i < CONFIG_FILES_COUNT; i++) {
-        String backupFile = String(CONFIG_FILES[i]) + ".bak";
-        if (SPIFFS.exists(backupFile)) {
-            if (SPIFFS.exists(CONFIG_FILES[i])) {
-                SPIFFS.remove(CONFIG_FILES[i]);
-            }
-            
-            File sourceFile = SPIFFS.open(backupFile, "r");
-            File destFile = SPIFFS.open(CONFIG_FILES[i], "w");
-            
-            if (!sourceFile || !destFile) {
-                Serial.printf("Failed to open files for restore: %s\n", CONFIG_FILES[i]);
-                success = false;
-                continue;
-            }
-
-            // Verwenden Sie einen kleineren Puffer
-            uint8_t* buf = (uint8_t*)malloc(BUFFER_SIZE);
-            if (!buf) {
-                Serial.println("Failed to allocate buffer");
-                sourceFile.close();
-                destFile.close();
-                success = false;
-                continue;
-            }
-
-            size_t len = 0;
-            while ((len = sourceFile.read(buf, BUFFER_SIZE)) > 0) {
-                if (destFile.write(buf, len) != len) {
-                    Serial.println("Write failed");
-                    success = false;
-                    break;
-                }
-            }
-
-            free(buf);
-            sourceFile.close();
-            destFile.close();
-            
-            SPIFFS.remove(backupFile);
-        }
-    }
-    return success;
-}
 
 void handleOTAUpload(AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final) {
-    static bool updateStarted = false;
-    static size_t totalBytes = 0;
-    static size_t totalSize = 0;
-
-    if (!index) {
-        updateStarted = false;
-        totalBytes = 0;
-        totalSize = request->contentLength();
-
-        // Check minimum heap size
-        if (ESP.getFreeHeap() < MIN_FREE_HEAP) {
-            request->send(500, "text/plain", "Not enough memory available");
-            return;
-        }
-
-        if (totalSize == 0) {
-            request->send(400, "text/plain", "Invalid file size");
-            return;
-        }
-
-        Serial.printf("Update size: %u bytes\n", totalSize);
-        Serial.printf("Free space: %u bytes\n", ESP.getFreeSketchSpace());
-        Serial.printf("Free heap: %u bytes\n", ESP.getFreeHeap());
-
-        // Backup configs first
-        if (!backupConfigs()) {
-            request->send(500, "text/plain", "Failed to backup configuration");
-            return;
-        }
-
-        // Close all files and unmount SPIFFS
-        SPIFFS.end();
-
-        // Begin update with minimal configuration
-        if (!Update.begin(totalSize)) {
-            Serial.printf("Update.begin failed: %s\n", Update.errorString());
-            request->send(500, "text/plain", "Failed to start update");
-            return;
-        }
-
-        updateStarted = true;
-        Serial.println("Update process started");
-        
-        // Send initial progress
-        request->send(200, "text/plain", "0");
-    }
-
-    if (!updateStarted) {
-        request->send(500, "text/plain", "Update not properly started");
-        return;
-    }
-
-    // Write update data
-    if (Update.write(data, len) != len) {
-        Serial.printf("Update.write failed: %s\n", Update.errorString());
-        Update.abort();
-        request->send(500, "text/plain", "Error during update");
-        return;
-    }
-
-    totalBytes += len;
+    static size_t contentLength = 0;
     
-    // Send progress update
-    if (!final) {
-        int progress = (totalBytes * 100) / totalSize;
-        request->send(200, "text/plain", String(progress));
+    if (!index) {
+        contentLength = request->contentLength();
+        Serial.printf("Update size: %u bytes\n", contentLength);
+        
+        if (contentLength == 0) {
+            request->send(400, "application/json", "{\"status\":\"error\",\"message\":\"Invalid file size\"}");
+            return;
+        }
+
+        if (!Update.begin(contentLength)) {
+            Serial.printf("Not enough space: %u required\n", contentLength);
+            request->send(400, "application/json", "{\"status\":\"error\",\"message\":\"Not enough space available\"}");
+            return;
+        }
+        
+        Serial.println("Update started");
+    }
+
+    if (Update.write(data, len) != len) {
+        Update.printError(Serial);
+        request->send(400, "application/json", "{\"status\":\"error\",\"message\":\"Error writing update\"}");
+        return;
     }
 
     if (final) {
-        if (!Update.end(true)) {
-            Serial.printf("Update.end failed: %s\n", Update.errorString());
-            request->send(500, "text/plain", "Update failed");
-            return;
-        }
-
-        // Try to restore configs
-        if (!SPIFFS.begin(true)) {
-            Serial.println("Failed to mount SPIFFS for restore");
-            request->send(200, "application/json", "{\"status\": \"success\", \"message\": \"Update successful but config restore failed. Device will restart...\", \"restart\": true}");
-            delay(2000);
+        if (Update.end(true)) {
+            Serial.println("Update complete");
+            request->send(200, "application/json", "{\"status\":\"success\",\"message\":\"Update successful! Device will restart...\",\"restart\":true}");
+            delay(1000);
             ESP.restart();
-            return;
+        } else {
+            Update.printError(Serial);
+            request->send(400, "application/json", "{\"status\":\"error\",\"message\":\"Update failed\"}");
         }
-
-        if (!restoreConfigs()) {
-            Serial.println("Failed to restore configs");
-        }
-
-        request->send(200, "application/json", "{\"status\": \"success\", \"message\": \"Update successful! Device will restart...\", \"restart\": true}");
-        delay(2000);
-        ESP.restart();
     }
 }
 
diff --git a/src/website.cpp b/src/website.cpp
index ac706ed..dd2636d 100644
--- a/src/website.cpp
+++ b/src/website.cpp
@@ -164,7 +164,7 @@ void setupWebserver(AsyncWebServer &server) {
     // Route für about
     server.on("/about", HTTP_GET, [](AsyncWebServerRequest *request){
         Serial.println("Anfrage für /about erhalten");
-        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/about.html.gz", "text/html");
+        AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/index.html.gz", "text/html");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
         request->send(response);
@@ -338,8 +338,13 @@ void setupWebserver(AsyncWebServer &server) {
         Serial.println("RFID.js gesendet");
     });
 
-    // Route für Firmware Update
+    // Route for Firmware Update
     server.on("/upgrade", HTTP_GET, [](AsyncWebServerRequest *request) {
+        // During OTA, reduce memory usage
+        ws.enable(false);  // Temporarily disable WebSocket
+        ws.cleanupClients();
+        
+        Serial.println("Request for /upgrade received");
         AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/upgrade.html.gz", "text/html");
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", CACHE_CONTROL);
@@ -350,7 +355,12 @@ void setupWebserver(AsyncWebServer &server) {
         [](AsyncWebServerRequest *request) {
             // The response will be sent from handleOTAUpload when the upload is complete
         },
-        handleOTAUpload
+        [](AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) {
+            // Free memory before handling update
+            ws.enable(false);
+            ws.cleanupClients();
+            handleOTAUpload(request, filename, index, data, len, final);
+        }
     );
 
     // Fehlerbehandlung für nicht gefundene Seiten
