diff --git a/android/build.gradle b/android/build.gradle
index 714549c..2c5c4dd 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.7.10'
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:7.2.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -26,6 +26,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }
diff --git a/lib/Helpers/MQTTHelper.dart b/lib/Helpers/MQTTHelper.dart
index dc71266..ba432f1 100644
--- a/lib/Helpers/MQTTHelper.dart
+++ b/lib/Helpers/MQTTHelper.dart
@@ -3,7 +3,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 import 'package:manager_api/api.dart';
-import 'package:mqtt_client/mqtt_browser_client.dart';
+//import 'package:mqtt_client/mqtt_browser_client.dart';
 import 'package:mqtt_client/mqtt_client.dart';
 import 'package:mqtt_client/mqtt_server_client.dart';
 import 'package:tablet_app/Helpers/DeviceInfoHelper.dart';
@@ -22,9 +22,9 @@ class MQTTHelper {
     TabletAppContext tabletAppContext = appContext.getContext();
 
     if(kIsWeb) {
-      tabletAppContext.clientBrowserMQTT!.updates!.listen((List<MqttReceivedMessage<MqttMessage>> c) async {
+      /*tabletAppContext.clientBrowserMQTT!.updates!.listen((List<MqttReceivedMessage<MqttMessage>> c) async {
         handleMessage(appContext, c);
-      });
+      });*/
     } else {
       tabletAppContext.clientMQTT!.updates!.listen((List<MqttReceivedMessage<MqttMessage>> c) async {
         handleMessage(appContext, c);
@@ -141,7 +141,7 @@ class MQTTHelper {
         .withWillQos(MqttQos.atLeastOnce);
 
     if(kIsWeb) {
-      tabletAppContext.clientBrowserMQTT = MqttBrowserClient.withPort(hostToTake!.replaceAll('http://', ''), 'tablet_app_'+identifier!, 1883);
+      /*tabletAppContext.clientBrowserMQTT = MqttBrowserClient.withPort(hostToTake!.replaceAll('http://', ''), 'tablet_app_'+identifier!, 1883);
       tabletAppContext.clientBrowserMQTT!.logging(on: false);
       tabletAppContext.clientBrowserMQTT!.keepAlivePeriod = 20;
       tabletAppContext.clientBrowserMQTT!.onDisconnected = onDisconnected;
@@ -176,7 +176,7 @@ class MQTTHelper {
       } catch (e) {
         print('Exception clientBrowserMQTT: $e');
         tabletAppContext.clientBrowserMQTT!.disconnect();
-      }
+      }*/
     } else {
       tabletAppContext.clientMQTT = MqttServerClient.withPort(hostToTake!.replaceAll('http://', ''), 'tablet_app_'+identifier!, 1883);
       tabletAppContext.clientMQTT!.logging(on: false);
@@ -218,7 +218,8 @@ class MQTTHelper {
 
     isInstantiated = true;
 
-    return kIsWeb ? tabletAppContext.clientBrowserMQTT : tabletAppContext.clientMQTT!;
+    //return kIsWeb ? tabletAppContext.clientBrowserMQTT : tabletAppContext.clientMQTT!;
+    return tabletAppContext.clientMQTT!;
   }
 
   Future<void> updateDevice(dynamic appContext) async {
diff --git a/lib/Models/tabletContext.dart b/lib/Models/tabletContext.dart
index b63fe37..2a066f1 100644
--- a/lib/Models/tabletContext.dart
+++ b/lib/Models/tabletContext.dart
@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:manager_api/api.dart';
-import 'package:mqtt_client/mqtt_browser_client.dart';
+//import 'package:mqtt_client/mqtt_browser_client.dart';
 import 'package:mqtt_client/mqtt_server_client.dart';
 import 'package:tablet_app/client.dart';
 import 'dart:convert';
@@ -9,7 +9,7 @@ import 'dart:convert';
 class TabletAppContext with ChangeNotifier{
   Client? clientAPI;
   MqttServerClient? clientMQTT;
-  MqttBrowserClient? clientBrowserMQTT;
+  //MqttBrowserClient? clientBrowserMQTT;
   String? id;
   String? host;
   ConfigurationDTO? configuration;
diff --git a/lib/Screens/Configuration/config_view.dart b/lib/Screens/Configuration/config_view.dart
index a5ea99a..6b1b269 100644
--- a/lib/Screens/Configuration/config_view.dart
+++ b/lib/Screens/Configuration/config_view.dart
@@ -5,7 +5,7 @@ import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 import 'package:manager_api/api.dart';
-import 'package:mqtt_client/mqtt_browser_client.dart';
+//import 'package:mqtt_client/mqtt_browser_client.dart';
 import 'package:mqtt_client/mqtt_server_client.dart';
 import 'package:provider/provider.dart';
 import 'package:tablet_app/Components/Buttons/rounded_button.dart';
@@ -39,7 +39,7 @@ class _ConfigViewWidget extends State<ConfigViewWidget> {
   @override
   Widget build(BuildContext context) {
     final appContext = Provider.of<AppContext>(context);
-    SystemChrome.setEnabledSystemUIOverlays([]);
+    SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: []);
     Size size = MediaQuery.of(context).size;
     TabletAppContext tabletAppContext = appContext.getContext();
 
@@ -137,7 +137,7 @@ class _ConfigViewWidget extends State<ConfigViewWidget> {
                     return Center(
                         child: Container(
                             height: size.height * 0.2,
-                            child: kIsWeb ? LoadingCommon() : Loading()
+                            child: LoadingCommon()
                         )
                     );
                   }
@@ -205,11 +205,11 @@ class _ConfigViewWidget extends State<ConfigViewWidget> {
                               var identifier = kIsWeb ? "WEB TEST" : await DeviceInfoHelper.getDeviceDetails();
 
                               if(kIsWeb) {
-                                tabletAppContext.clientBrowserMQTT = new MqttBrowserClient(url.replaceAll('http://', ''),'tablet_app_'+ identifier!);
+                                //tabletAppContext.clientBrowserMQTT = new MqttBrowserClient(url.replaceAll('http://', ''),'tablet_app_'+ identifier!);
                               } else
                               {
                                 // mobile specific
-                                tabletAppContext!.clientMQTT = new MqttServerClient(url.replaceAll('http://', ''),'tablet_app_'+ identifier!);
+                                tabletAppContext.clientMQTT = new MqttServerClient(url.replaceAll('http://', ''),'tablet_app_'+ identifier!);
                               }
 
                               setState(() {
diff --git a/lib/Screens/MainView/main_view.dart b/lib/Screens/MainView/main_view.dart
index 590b43b..a6e45fc 100644
--- a/lib/Screens/MainView/main_view.dart
+++ b/lib/Screens/MainView/main_view.dart
@@ -33,15 +33,18 @@ class MainViewWidget extends StatefulWidget {
 class _MainViewWidget extends State<MainViewWidget> {
   Size sizeScreen = new Size(1080.0, 1920.0); // Tablet resolution
   SectionDTO? sectionSelected;
+  late ConfigurationDTO configurationDTO;
 
   int rowCount = 4;
 
   @override
   Widget build(BuildContext context) {
     final appContext = Provider.of<AppContext>(context);
-    SystemChrome.setEnabledSystemUIOverlays([]);
+    SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: []);
     Size size = MediaQuery.of(context).size;
 
+    configurationDTO = appContext.getContext().configuration;
+
     if (!MQTTHelper.instance.isInstantiated)
       MQTTHelper.instance.connect(appContext);
 
@@ -87,7 +90,16 @@ class _MainViewWidget extends State<MainViewWidget> {
           child: Container(
             height: size.height,
             width: size.width,
-            color: appContext.getContext().configuration == null ? kBackgroundGrey : appContext.getContext().configuration.secondaryColor != null ? new Color(int.parse(appContext.getContext().configuration.secondaryColor.split('(0x')[1].split(')')[0], radix: 16)): kBackgroundGrey,
+            color: configurationDTO.imageId == null ? configurationDTO.secondaryColor != null ? new Color(int.parse(configurationDTO.secondaryColor!.split('(0x')[1].split(')')[0], radix: 16)): kBackgroundGrey : null,
+            decoration: configurationDTO.imageId != null ? BoxDecoration(
+              image: new DecorationImage(
+                fit: BoxFit.cover,
+                colorFilter: new ColorFilter.mode(Colors.grey.withOpacity(0.7), BlendMode.color),
+                image: new NetworkImage(
+                   configurationDTO.imageSource!,
+                ),
+              ),
+            ) : null,
             child: Column(
               children: [
                 Container(
@@ -177,12 +189,15 @@ class _MainViewWidget extends State<MainViewWidget> {
             width: kIsWeb ? size.width *0.08: 185.0,
             child: FittedBox(
               child: FloatingActionButton.extended(
+                backgroundColor: kBackgroundColor,
+                focusColor: kBackgroundColor,
+                splashColor: kBackgroundColor,
                 onPressed: () {
                   setState(() {
                     sectionSelected = null;
                   });
                 },
-                icon: Icon(Icons.arrow_back),
+                icon: Icon(Icons.arrow_back, color: Colors.grey),
                 label: Text("Menu")
               ),
             ),
@@ -194,10 +209,19 @@ class _MainViewWidget extends State<MainViewWidget> {
           body: Container(
             height: size.height,
             width: size.width,
-            color: appContext.getContext().configuration == null ? kBackgroundGrey : appContext.getContext().configuration.secondaryColor != null ? new Color(int.parse(appContext.getContext().configuration.secondaryColor.split('(0x')[1].split(')')[0], radix: 16)): kBackgroundGrey,
+            color: configurationDTO.imageId == null ? configurationDTO.secondaryColor != null ? new Color(int.parse(appContext.getContext().configuration.secondaryColor.split('(0x')[1].split(')')[0], radix: 16)): kBackgroundGrey : null,
+            decoration: configurationDTO.imageId != null ? BoxDecoration(
+              image: new DecorationImage(
+                fit: BoxFit.cover,
+                colorFilter: new ColorFilter.mode(Colors.grey.withOpacity(0.7), BlendMode.color),
+                image: new NetworkImage(
+                  configurationDTO.imageSource!,
+                ),
+              ),
+            ) : null,
             child: Stack(
               children: [
-                if (appContext.getContext().configuration != null) LanguageSelection(),
+                if (configurationDTO != null) LanguageSelection(),
                 Center(
                   child: Container(
                     height: kIsWeb ? size.height : size.height * 0.85,
@@ -264,7 +288,7 @@ class _MainViewWidget extends State<MainViewWidget> {
                           } else {
                             return Center(
                                 child: Container(
-                                    child: kIsWeb ? LoadingCommon() : Loading()
+                                    child: LoadingCommon()
                                 )
                             );
                           }
diff --git a/lib/Screens/Map/map_view.dart b/lib/Screens/Map/map_view.dart
index 5f3d30e..107857b 100644
--- a/lib/Screens/Map/map_view.dart
+++ b/lib/Screens/Map/map_view.dart
@@ -82,7 +82,7 @@ class _MapViewWidget extends State<MapViewWidget> {
                 } else {
                   return Center(
                       child: Container(
-                          child: kIsWeb ? LoadingCommon() : Loading()
+                          child: LoadingCommon()
                       )
                   );
                 }
diff --git a/lib/Screens/Previous/previous_view.dart b/lib/Screens/Previous/previous_view.dart
index 0aee5b5..e616a80 100644
--- a/lib/Screens/Previous/previous_view.dart
+++ b/lib/Screens/Previous/previous_view.dart
@@ -142,7 +142,7 @@ class _PreviousViewWidget extends State<PreviousViewWidget> with TickerProviderS
 
   @override
   Widget build(BuildContext context) {
-    SystemChrome.setEnabledSystemUIOverlays([]);
+    SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: []);
     Size size = MediaQuery
         .of(context)
         .size;
diff --git a/lib/Screens/Slider/slider_view.dart b/lib/Screens/Slider/slider_view.dart
index 120fc6c..46c2a07 100644
--- a/lib/Screens/Slider/slider_view.dart
+++ b/lib/Screens/Slider/slider_view.dart
@@ -22,6 +22,8 @@ class _SliderViewWidget extends State<SliderViewWidget> {
   CarouselController? sliderController;
   int currentIndex = 1;
 
+  late ConfigurationDTO configurationDTO;
+
   @override
   void initState() {
     sliderController = CarouselController();
@@ -43,6 +45,8 @@ class _SliderViewWidget extends State<SliderViewWidget> {
     Size size = MediaQuery.of(context).size;
     final appContext = Provider.of<AppContext>(context);
 
+    configurationDTO = appContext.getContext().configuration;
+
     return Stack(
         children: [
           Column(
@@ -70,7 +74,7 @@ class _SliderViewWidget extends State<SliderViewWidget> {
                             height: MediaQuery.of(context).size.height,
                             margin: EdgeInsets.symmetric(horizontal: 5.0),
                             decoration: BoxDecoration(
-                              color: appContext.getContext().configuration == null ? kBackgroundGrey : appContext.getContext().configuration.secondaryColor != null ? new Color(int.parse(appContext.getContext().configuration.secondaryColor.split('(0x')[1].split(')')[0], radix: 16)): kBackgroundGrey,
+                              color: configurationDTO.imageId == null ? configurationDTO.secondaryColor != null ? new Color(int.parse(configurationDTO.secondaryColor!.split('(0x')[1].split(')')[0], radix: 16)): kBackgroundGrey : null,
                               borderRadius: BorderRadius.circular(10.0),
                               //border: Border.all(width: 0.3, color: kSecondGrey),
                             ),
diff --git a/lib/Screens/Web/web_view.dart b/lib/Screens/Web/web_view.dart
index 91710d8..a438da5 100644
--- a/lib/Screens/Web/web_view.dart
+++ b/lib/Screens/Web/web_view.dart
@@ -1,5 +1,5 @@
 import 'dart:convert';
-import 'dart:html';
+//import 'dart:html';
 import 'dart:ui' as ui;
 
 import 'package:flutter/foundation.dart';
@@ -18,7 +18,7 @@ class WebView extends StatefulWidget {
 }
 
 class _WebViewWidget extends State<WebView> {
-  final IFrameElement _iframeElement = IFrameElement();
+  //final IFrameElement _iframeElement = IFrameElement();
   //WebView _webView;
   WebDTO webDTO = WebDTO();
   WebViewController? controller;
@@ -31,14 +31,14 @@ class _WebViewWidget extends State<WebView> {
     print(webDTO);
 
     if(kIsWeb) {
-      _iframeElement.src = webDTO.source_!;
+      /*_iframeElement.src = webDTO.source_!;
       _iframeElement.style.border = 'none';
 
       //ignore: undefined_prefixed_name
       ui.platformViewRegistry.registerViewFactory(
         webDTO.source_!, //use source as registered key to ensure uniqueness
         (int viewId) => _iframeElement,
-      );
+      );*/
     } else {
       controller = WebViewController()
         ..setJavaScriptMode(JavaScriptMode.unrestricted)
@@ -94,7 +94,6 @@ class _WebViewWidget extends State<WebView> {
       key: UniqueKey(),
       viewType: webDTO.source_!,
     ) :
-    //WebViewWidget(controller: controller!)
-  Text("sousou"):
+    WebViewWidget(controller: controller!) :
   Center(child: Text("La page internet ne peut pas être affichée, l'url est incorrecte ou vide"));
 } //_webView
\ No newline at end of file
diff --git a/lib/main.dart b/lib/main.dart
index 3e5a549..18c94b8 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -23,7 +23,7 @@ void main() async {
     localContext = await DatabaseHelper.instance.getData();
   }
 
-  if(localContext != null) {
+  if(localContext != null && localContext.host != null) {
     print("we've got an local db !");
     localContext.clientAPI = new Client(localContext.host!);
     isConfig = localContext.configuration != null;
diff --git a/manager_api/pubspec.yaml b/manager_api/pubspec.yaml
index 67848de..50ecdf7 100644
--- a/manager_api/pubspec.yaml
+++ b/manager_api/pubspec.yaml
@@ -7,10 +7,10 @@ version: '1.0.0'
 description: 'OpenAPI API client'
 homepage: 'homepage'
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: ">=3.1.0 <4.0.0"
 dependencies:
-  http: '>=0.13.0 <0.14.0'
-  intl: '^0.17.0'
+  http: '^1.1.0'
+  intl: '^0.18.0'
   meta: '^1.1.8'
 dev_dependencies:
   test: '>=1.16.0 <1.18.0'
diff --git a/pubspec.yaml b/pubspec.yaml
index 1de0cc0..d693ea9 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -15,10 +15,10 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.4.0+4
+version: 1.5.0+5
 
 environment:
-  sdk: ">=2.17.0 <3.0.0"
+  sdk: ">=3.1.0 <4.0.0"
 
 dependencies:
   flutter:
@@ -26,43 +26,42 @@ dependencies:
 
   # Specific Mobile
   sqflite: # Specific mobile and macOS
-  webview_flutter: ^4.0.1 # Specific mobile # old : ^3.0.4
-  google_maps_flutter: ^2.0.1 # Specific mobile
-  youtube_player_flutter: ^8.1.1 # Specific mobile
+  webview_flutter: ^4.4.1 # Specific mobile # old : ^3.0.4
+  google_maps_flutter: ^2.5.0 # Specific mobile
+  youtube_player_flutter: ^8.1.2 # Specific mobile
 
   # Specific Web
-  google_maps_flutter_web: ^0.4.0+5 # Specific WEB
-  youtube_player_iframe: ^4.0.1 # Handle mobile and web here => TO TEST
+  google_maps_flutter_web: ^0.5.4+2 # Specific WEB
+  youtube_player_iframe: ^4.0.4 # Handle mobile and web here => TO TEST
 
-  flare_flutter: ^3.0.1
-  provider: ^6.0.4
-  http: ^0.13.5
+  flare_flutter: ^3.0.2
+  provider: ^6.0.5
+  http: ^1.1.0
   auto_size_text: ^3.0.0
   fluttertoast:
   device_info: ^2.0.2 # DISCONTINUED
   enum_to_string: ^2.0.1
-  carousel_slider: ^4.0.0
-  mqtt_client: ^9.6.8
+  carousel_slider: ^4.2.1
+  mqtt_client: ^10.0.0
   photo_view: ^0.14.0
   confetti: ^0.7.0
-  flutter_launcher_icons: ^0.10.0 # All but web
-  flutter_svg_provider: ^1.0.3
+  flutter_launcher_icons: ^0.13.1 # All but web
+  flutter_svg_provider: ^1.0.6
 
-  openapi_generator_cli: ^4.0.0
-  openapi_generator: ^4.0.0
-  openapi_generator_annotations: ^4.0.0
+  openapi_generator_cli: ^4.13.1
+  openapi_generator: ^4.13.1
+  openapi_generator_annotations: ^4.13.1
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^1.0.0
+  cupertino_icons: ^1.0.6
   manager_api:
     path: manager_api
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-
   build_runner:
-  openapi_generator: ^4.0.0
+  openapi_generator: ^4.13.1
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec