diff --git a/example/pubspec.lock b/example/pubspec.lock
index 6a34d75..8f91a5e 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -28,7 +28,7 @@ packages:
       name: camera
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.5+1"
+    version: "0.9.7"
   camera_platform_interface:
     dependency: transitive
     description:
@@ -77,7 +77,7 @@ packages:
       name: cross_file
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.3"
+    version: "0.3.3+1"
   crypto:
     dependency: transitive
     description:
@@ -162,14 +162,14 @@ packages:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0"
+    version: "4.0.1"
   image:
     dependency: "direct main"
     description:
       name: image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.3"
+    version: "3.2.0"
   image_picker:
     dependency: "direct main"
     description:
@@ -197,7 +197,7 @@ packages:
       name: image_picker_ios
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.8.5+4"
+    version: "0.8.5+5"
   image_picker_platform_interface:
     dependency: transitive
     description:
@@ -342,7 +342,7 @@ packages:
       name: xml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.4.1"
+    version: "6.1.0"
 sdks:
   dart: ">=2.17.0 <3.0.0"
   flutter: ">=2.8.0"
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 005b100..858c4ff 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -12,7 +12,7 @@ dependencies:
   flutter_zxing:
     path: ../
   font_awesome_flutter: ^10.1.0
-  image: ^3.1.3
+  image: ^3.2.0
   image_picker: ^0.8.5
 
 dev_dependencies:
diff --git a/ios/Classes/src/native_zxing.cpp b/ios/Classes/src/native_zxing.cpp
index fca7183..0984ed7 100644
--- a/ios/Classes/src/native_zxing.cpp
+++ b/ios/Classes/src/native_zxing.cpp
@@ -102,7 +102,7 @@ extern "C"
         struct EncodeResult result = {0, contents, Format(format), nullptr, 0, nullptr};
         try
         {
-            auto writer = MultiFormatWriter(BarcodeFormat(format)).setMargin(margin).setEccLevel(eccLevel);
+            auto writer = MultiFormatWriter(BarcodeFormat(format)).setMargin(margin).setEccLevel(eccLevel).setEncoding(CharacterSet::UTF8);
             auto bitMatrix = writer.encode(TextUtfEncoding::FromUtf8(std::string(contents)), width, height);
             result.data = ToMatrix<uint32_t>(bitMatrix).data();
             result.length = bitMatrix.width() * bitMatrix.height();
diff --git a/pubspec.yaml b/pubspec.yaml
index 162cc98..17e4144 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -8,12 +8,12 @@ environment:
   flutter: ">=2.5.0"
 
 dependencies:
-  camera: ^0.9.5
+  camera: ^0.9.7
   ffi: ^1.2.1
   flutter:
     sdk: flutter
   flutter_beep: ^1.0.0
-  image: ^3.1.3
+  image: ^3.2.0
 
 dev_dependencies:
   ffigen: ^5.0.0 # dart run ffigen
diff --git a/zxscanner/lib/configs/app_store.dart b/zxscanner/lib/configs/app_store.dart
index 60187cd..dd6c6d1 100644
--- a/zxscanner/lib/configs/app_store.dart
+++ b/zxscanner/lib/configs/app_store.dart
@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:mobx/mobx.dart';
-import 'package:nb_utils/nb_utils.dart';
+import 'package:zxscanner/utils/shared_pref.dart';
 
 part 'app_store.g.dart';
 
@@ -33,30 +33,30 @@ abstract class AppStoreBase with Store {
   @action
   Future<void> setThemeMode(ThemeMode value) async {
     themeMode = value;
-    setValue(themeModePref, themeMode.toString());
+    setPrefValue(themeModePref, themeMode.toString());
   }
 
   @action
   Future<void> setColorSchemeIndex(int value) async {
     colorSchemeIndex = value;
-    await setValue(colorSchemeIndexPref, colorSchemeIndex);
+    await setPrefValue(colorSchemeIndexPref, colorSchemeIndex);
   }
 
   @action
   Future<void> toggleSoundMode({bool? value}) async {
     isSoundOn = value ?? !isSoundOn;
-    setValue(isSoundOnPref, isSoundOn);
+    setPrefValue(isSoundOnPref, isSoundOn);
   }
 
   @action
   Future<void> toggleVibrationMode({bool? value}) async {
     isVibrationOn = value ?? !isVibrationOn;
-    setValue(isVibrationOnPref, isVibrationOn);
+    setPrefValue(isVibrationOnPref, isVibrationOn);
   }
 
   @action
   Future<void> setLanguage(String aLanguage) async {
     selectedLanguage = aLanguage;
-    await setValue(languagePref, aLanguage);
+    await setPrefValue(languagePref, aLanguage);
   }
 }
diff --git a/zxscanner/lib/main.dart b/zxscanner/lib/main.dart
index e266f4a..d022dbe 100644
--- a/zxscanner/lib/main.dart
+++ b/zxscanner/lib/main.dart
@@ -4,7 +4,7 @@ import 'package:flutter_mobx/flutter_mobx.dart';
 import 'package:zxscanner/configs/constants.dart';
 import 'package:zxscanner/utils/db_service.dart';
 import 'package:zxscanner/utils/extensions.dart';
-import 'package:nb_utils/nb_utils.dart';
+import 'package:zxscanner/utils/shared_pref.dart';
 
 import 'configs/app_store.dart';
 import 'configs/app_theme.dart';
@@ -14,36 +14,11 @@ import 'utils/scroll_behavior.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
-  await _initializeAppStore();
+  await initializePrefs();
   await DbService.instance.initializeApp();
   runApp(const MyApp());
 }
 
-_initializeAppStore() async {
-  await initialize();
-  final themeModeString = getStringAsync(
-    themeModePref,
-    defaultValue: appStore.themeMode.toString(),
-  );
-  await appStore.setThemeMode(
-    ThemeMode.values
-        .firstWhere((element) => element.toString() == themeModeString),
-  );
-  await appStore.setColorSchemeIndex(
-    getIntAsync(colorSchemeIndexPref, defaultValue: appStore.colorSchemeIndex),
-  );
-  await appStore.toggleSoundMode(
-    value: getBoolAsync(isSoundOnPref, defaultValue: appStore.isSoundOn),
-  );
-  await appStore.toggleVibrationMode(
-    value:
-        getBoolAsync(isVibrationOnPref, defaultValue: appStore.isVibrationOn),
-  );
-  await appStore.setLanguage(
-    getStringAsync(languagePref, defaultValue: appStore.selectedLanguage),
-  );
-}
-
 class MyApp extends StatefulWidget {
   const MyApp({Key? key}) : super(key: key);
 
diff --git a/zxscanner/lib/pages/barcodes_page.dart b/zxscanner/lib/pages/barcodes_page.dart
index b626231..4fb7cfc 100644
--- a/zxscanner/lib/pages/barcodes_page.dart
+++ b/zxscanner/lib/pages/barcodes_page.dart
@@ -51,34 +51,36 @@ class _BarcodesPageState extends State<BarcodesPage> {
                   itemBuilder: (context, index) {
                     final result = results[index];
                     return ContainerX(
-                      child: ListTile(
-                        leading: Image.memory(
-                          result.data ?? Uint8List(0),
-                          width: 60,
-                        ),
-                        title: Text(result.text ?? ''),
-                        subtitle: Text(result.formatName),
-                        trailing: ButtonBar(
-                          mainAxisSize: MainAxisSize.min,
-                          children: [
-                            // Copy button
-                            IconButton(
-                              icon: const Icon(FontAwesomeIcons.copy),
-                              onPressed: () {
-                                Clipboard.setData(
-                                    ClipboardData(text: result.text));
-                              },
-                            ),
-                            // Remove button
-                            IconButton(
-                              icon: const Icon(FontAwesomeIcons.trash,
-                                  color: Colors.red),
-                              onPressed: () {
-                                DbService.instance.deleteEncode(result);
-                                setState(() {});
-                              },
-                            ),
-                          ],
+                      child: Card(
+                        child: ListTile(
+                          leading: Image.memory(
+                            result.data ?? Uint8List(0),
+                            width: 60,
+                          ),
+                          title: Text(result.text ?? ''),
+                          subtitle: Text(result.formatName),
+                          trailing: ButtonBar(
+                            mainAxisSize: MainAxisSize.min,
+                            children: [
+                              // Copy button
+                              IconButton(
+                                icon: const Icon(FontAwesomeIcons.copy),
+                                onPressed: () {
+                                  Clipboard.setData(
+                                      ClipboardData(text: result.text));
+                                },
+                              ),
+                              // Remove button
+                              IconButton(
+                                icon: const Icon(FontAwesomeIcons.trash,
+                                    color: Colors.red),
+                                onPressed: () {
+                                  DbService.instance.deleteEncode(result);
+                                  setState(() {});
+                                },
+                              ),
+                            ],
+                          ),
                         ),
                       ),
                     );
diff --git a/zxscanner/lib/pages/help_page.dart b/zxscanner/lib/pages/help_page.dart
index d46bf9c..4ed0d85 100644
--- a/zxscanner/lib/pages/help_page.dart
+++ b/zxscanner/lib/pages/help_page.dart
@@ -5,6 +5,7 @@ import 'package:flutter_markdown/flutter_markdown.dart';
 import 'package:flutter_zxing/flutter_zxing.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:image/image.dart' as imglib;
+import 'package:url_launcher/url_launcher_string.dart';
 import 'package:zxscanner/configs/constants.dart';
 import 'package:zxscanner/widgets/common_widgets.dart';
 
@@ -18,9 +19,30 @@ class HelpPage extends StatelessWidget {
         title: const Text('Help'),
       ),
       body: ContainerX(
-        child: ListView(
-          padding: const EdgeInsets.only(bottom: spaceLarge2),
-          children: createSlides(context),
+        child: Column(
+          children: [
+            Padding(
+              padding: const EdgeInsets.all(spaceDefault),
+              child: InkWell(
+                onTap: () {
+                  launchUrlString('https://scanbot.io');
+                },
+                child: Column(
+                  children: const [
+                    Text('All information is taken from'),
+                    Text('scanbot.io',
+                        style: TextStyle(fontWeight: FontWeight.bold)),
+                  ],
+                ),
+              ),
+            ),
+            Expanded(
+              child: ListView(
+                padding: const EdgeInsets.only(bottom: spaceLarge2),
+                children: createSlides(context),
+              ),
+            ),
+          ],
         ),
       ),
     );
diff --git a/zxscanner/lib/pages/history_page.dart b/zxscanner/lib/pages/history_page.dart
index 1f0eb1f..e9c349b 100644
--- a/zxscanner/lib/pages/history_page.dart
+++ b/zxscanner/lib/pages/history_page.dart
@@ -42,30 +42,32 @@ class _HistoryPageState extends State<HistoryPage> {
                   itemBuilder: (context, index) {
                     final result = results[index];
                     return ContainerX(
-                      child: ListTile(
-                        title: Text(result.text ?? ''),
-                        subtitle: Text(result.formatName),
-                        trailing: ButtonBar(
-                          mainAxisSize: MainAxisSize.min,
-                          children: [
-                            // Copy button
-                            IconButton(
-                              icon: const Icon(FontAwesomeIcons.copy),
-                              onPressed: () {
-                                Clipboard.setData(
-                                    ClipboardData(text: result.text));
-                              },
-                            ),
-                            // Remove button
-                            IconButton(
-                              icon: const Icon(FontAwesomeIcons.trash,
-                                  color: Colors.red),
-                              onPressed: () {
-                                DbService.instance.deleteCode(result);
-                                setState(() {});
-                              },
-                            ),
-                          ],
+                      child: Card(
+                        child: ListTile(
+                          title: Text(result.text ?? ''),
+                          subtitle: Text(result.formatName),
+                          trailing: ButtonBar(
+                            mainAxisSize: MainAxisSize.min,
+                            children: [
+                              // Copy button
+                              IconButton(
+                                icon: const Icon(FontAwesomeIcons.copy),
+                                onPressed: () {
+                                  Clipboard.setData(
+                                      ClipboardData(text: result.text));
+                                },
+                              ),
+                              // Remove button
+                              IconButton(
+                                icon: const Icon(FontAwesomeIcons.trash,
+                                    color: Colors.red),
+                                onPressed: () {
+                                  DbService.instance.deleteCode(result);
+                                  setState(() {});
+                                },
+                              ),
+                            ],
+                          ),
                         ),
                       ),
                     );
diff --git a/zxscanner/lib/utils/shared_pref.dart b/zxscanner/lib/utils/shared_pref.dart
new file mode 100644
index 0000000..1a51f02
--- /dev/null
+++ b/zxscanner/lib/utils/shared_pref.dart
@@ -0,0 +1,100 @@
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:zxscanner/configs/app_store.dart';
+
+late SharedPreferences sharedPreferences;
+
+Future<void> initializePrefs() async {
+  sharedPreferences = await SharedPreferences.getInstance();
+  final themeModeString = getPrefString(
+    themeModePref,
+    defaultValue: appStore.themeMode.toString(),
+  );
+  await appStore.setThemeMode(
+    ThemeMode.values
+        .firstWhere((element) => element.toString() == themeModeString),
+  );
+  await appStore.setColorSchemeIndex(
+    getPrefInt(colorSchemeIndexPref, defaultValue: appStore.colorSchemeIndex),
+  );
+  await appStore.toggleSoundMode(
+    value: getPrefBool(isSoundOnPref, defaultValue: appStore.isSoundOn),
+  );
+  await appStore.toggleVibrationMode(
+    value: getPrefBool(isVibrationOnPref, defaultValue: appStore.isVibrationOn),
+  );
+  await appStore.setLanguage(
+    getPrefString(languagePref, defaultValue: appStore.selectedLanguage),
+  );
+}
+
+/// Add a value in SharedPref based on their type - Must be a String, int, bool, double, Map<String, dynamic> or StringList
+Future<bool> setPrefValue(String key, dynamic value,
+    {bool print = true}) async {
+  if (value is String) {
+    return await sharedPreferences.setString(key, value);
+  } else if (value is int) {
+    return await sharedPreferences.setInt(key, value);
+  } else if (value is bool) {
+    return await sharedPreferences.setBool(key, value);
+  } else if (value is double) {
+    return await sharedPreferences.setDouble(key, value);
+  } else if (value is Map<String, dynamic>) {
+    return await sharedPreferences.setString(key, jsonEncode(value));
+  } else if (value is List<String>) {
+    return await sharedPreferences.setStringList(key, value);
+  } else {
+    throw ArgumentError(
+        'Invalid value ${value.runtimeType} - Must be a String, int, bool, double, Map<String, dynamic> or StringList');
+  }
+}
+
+/// Returns List of Keys that matches with given Key
+List<String> getMatchingSharedPrefKeys(String key) {
+  List<String> keys = [];
+  sharedPreferences.getKeys().forEach((element) {
+    if (element.contains(key)) {
+      keys.add(element);
+    }
+  });
+  return keys;
+}
+
+/// Returns a StringList if exists in SharedPref
+List<String>? getPrefStringList(String key) =>
+    sharedPreferences.getStringList(key);
+
+/// Returns a Bool if exists in SharedPref
+bool getPrefBool(String key, {bool defaultValue = false}) =>
+    sharedPreferences.getBool(key) ?? defaultValue;
+
+/// Returns a Double if exists in SharedPref
+double getPrefDouble(String key, {double defaultValue = 0.0}) =>
+    sharedPreferences.getDouble(key) ?? defaultValue;
+
+/// Returns a Int if exists in SharedPref
+int getPrefInt(String key, {int defaultValue = 0}) =>
+    sharedPreferences.getInt(key) ?? defaultValue;
+
+/// Returns a String if exists in SharedPref
+String getPrefString(String key, {String defaultValue = ''}) =>
+    sharedPreferences.getString(key) ?? defaultValue;
+
+/// Returns a JSON if exists in SharedPref
+Map<String, dynamic> getPrefJSON(String key,
+    {Map<String, dynamic>? defaultValue}) {
+  if (sharedPreferences.containsKey(key)) {
+    return jsonDecode(sharedPreferences.getString(key) ?? '');
+  } else {
+    return defaultValue ?? {};
+  }
+}
+
+/// remove key from SharedPref
+Future<bool> removePrefKey(String key) async =>
+    await sharedPreferences.remove(key);
+
+/// clear SharedPref
+Future<bool> clearSharedPref() async => await sharedPreferences.clear();
diff --git a/zxscanner/pubspec.lock b/zxscanner/pubspec.lock
index bfb4911..0714194 100644
--- a/zxscanner/pubspec.lock
+++ b/zxscanner/pubspec.lock
@@ -98,14 +98,14 @@ packages:
       name: built_value
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "8.3.0"
+    version: "8.3.2"
   camera:
     dependency: transitive
     description:
       name: camera
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.5+1"
+    version: "0.9.7"
   camera_platform_interface:
     dependency: transitive
     description:
@@ -162,48 +162,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.16.0"
-  connectivity_plus:
-    dependency: transitive
-    description:
-      name: connectivity_plus
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.3.0"
-  connectivity_plus_linux:
-    dependency: transitive
-    description:
-      name: connectivity_plus_linux
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
-  connectivity_plus_macos:
-    dependency: transitive
-    description:
-      name: connectivity_plus_macos
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.2"
-  connectivity_plus_platform_interface:
-    dependency: transitive
-    description:
-      name: connectivity_plus_platform_interface
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
-  connectivity_plus_web:
-    dependency: transitive
-    description:
-      name: connectivity_plus_web
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
-  connectivity_plus_windows:
-    dependency: transitive
-    description:
-      name: connectivity_plus_windows
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
   convert:
     dependency: transitive
     description:
@@ -224,7 +182,7 @@ packages:
       name: cross_file
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.3"
+    version: "0.3.3+1"
   crypto:
     dependency: transitive
     description:
@@ -246,13 +204,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.2.3"
-  dbus:
-    dependency: transitive
-    description:
-      name: dbus
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.7.3"
   fake_async:
     dependency: transitive
     description:
@@ -318,7 +269,7 @@ packages:
       name: flutter_markdown
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.10"
+    version: "0.6.10+1"
   flutter_mobx:
     dependency: "direct main"
     description:
@@ -350,13 +301,6 @@ packages:
       relative: true
     source: path
     version: "0.1.2"
-  fluttertoast:
-    dependency: transitive
-    description:
-      name: fluttertoast
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "8.0.9"
   font_awesome_flutter:
     dependency: "direct main"
     description:
@@ -426,14 +370,14 @@ packages:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0"
+    version: "4.0.1"
   image:
     dependency: "direct main"
     description:
       name: image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.3"
+    version: "3.2.0"
   image_picker:
     dependency: "direct main"
     description:
@@ -461,7 +405,7 @@ packages:
       name: image_picker_ios
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.8.5+4"
+    version: "0.8.5+5"
   image_picker_platform_interface:
     dependency: transitive
     description:
@@ -560,20 +504,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.7"
-  nb_utils:
-    dependency: "direct main"
-    description:
-      name: nb_utils
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "4.5.2"
-  nm:
-    dependency: transitive
-    description:
-      name: nm
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.5.0"
   package_config:
     dependency: transitive
     description:
@@ -736,7 +666,7 @@ packages:
     source: hosted
     version: "3.0.0"
   shared_preferences:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: shared_preferences
       url: "https://pub.dartlang.org"
@@ -888,7 +818,7 @@ packages:
     source: hosted
     version: "1.3.1"
   url_launcher:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: url_launcher
       url: "https://pub.dartlang.org"
@@ -907,7 +837,7 @@ packages:
       name: url_launcher_ios
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.0.16"
+    version: "6.0.17"
   url_launcher_linux:
     dependency: transitive
     description:
@@ -984,7 +914,7 @@ packages:
       name: xml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.4.1"
+    version: "6.1.0"
   yaml:
     dependency: transitive
     description:
@@ -994,4 +924,4 @@ packages:
     version: "3.1.1"
 sdks:
   dart: ">=2.17.0 <3.0.0"
-  flutter: ">=2.10.0"
+  flutter: ">=3.0.0"
diff --git a/zxscanner/pubspec.yaml b/zxscanner/pubspec.yaml
index 19a7dcf..24dd7b6 100644
--- a/zxscanner/pubspec.yaml
+++ b/zxscanner/pubspec.yaml
@@ -22,13 +22,14 @@ dependencies:
   font_awesome_flutter: ^10.1.0
   hive: ^2.2.1
   hive_flutter: ^1.1.0
-  image: ^3.1.3
+  image: ^3.2.0
   image_picker: ^0.8.5
   intl: ^0.17.0
   mobx: ^2.0.7
-  nb_utils: ^4.5.2
   path_provider: ^2.0.10
   share_plus: ^4.0.4
+  shared_preferences: ^2.0.15
+  url_launcher: ^6.1.2
 
 flutter_intl:
   main_locale: en_US