diff --git a/lib/main.dart b/lib/main.dart
index b44de91bfe418257e54de75a5be27cbcd5359f02..1cc13a4f034280550134588a8c3d9089bff31e1f 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -64,23 +64,6 @@ class Gecko extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    // FutureBuilder<dynamic>(
-    //   future: getAppPath(), // async work
-    //   builder: (BuildContext context, AsyncSnapshot snapshot) {
-    //     // switch (snapshot.connectionState) {
-    //     //   case ConnectionState.waiting:
-    //     //     return Text('Loading....');
-    //     //   default:
-    //     //     if (snapshot.hasError)
-    //     //       return Text('Error: ${snapshot.error}');
-    //     //     else
-    //     //       return Text('Result: ${snapshot.data}');
-    //     // }
-
-    //     print('FutureBuilder: ' + appPath.path);
-    //     return;
-    //   },
-    // );
     final _httpLink = HttpLink(
       // 'http://192.168.1.91:10060/gva',
       randomEndpoint,
@@ -97,7 +80,6 @@ class Gecko extends StatelessWidget {
     return MultiProvider(
         providers: [
           // Provider(create: (context) => HistoryProvider()),
-          // Provider(create: (context) => MyWalletsProvider()),
           ChangeNotifierProvider(create: (_) => HomeProvider()),
           ChangeNotifierProvider(create: (_) => HistoryProvider('')),
           ChangeNotifierProvider(create: (_) => MyWalletsProvider()),
@@ -116,7 +98,6 @@ class Gecko extends StatelessWidget {
                   bodyText2: TextStyle(),
                 ).apply(
                   bodyColor: Color(0xff855F2D),
-                  // displayColor: Colors.blue,
                 ),
               ),
               home: HomeScreen(),
diff --git a/lib/models/generateWallets.dart b/lib/models/generateWallets.dart
index e57977b720d1aa3b7ce154fff0ec26c7d66f83ab..a72d215efc3a29619812774a1ae862066e9d04ca 100644
--- a/lib/models/generateWallets.dart
+++ b/lib/models/generateWallets.dart
@@ -35,7 +35,7 @@ class GenerateWalletsProvider with ChangeNotifier {
       return 'Exist: DENY';
     }
 
-    walletNameDirectory.createSync();
+    await walletNameDirectory.create();
     walletFile.writeAsString('${wallet.dewif}');
 
     Navigator.pop(context, true);
diff --git a/lib/models/home.dart b/lib/models/home.dart
index 33ac6634c1f6403f2df8e7721d7b1fa74d3673b7..16fef4515dffb6de36f4cb3500bdfcd62129e706 100644
--- a/lib/models/home.dart
+++ b/lib/models/home.dart
@@ -15,26 +15,18 @@ class HomeProvider with ChangeNotifier {
 
   set currentIndex(int index) {
     _currentIndex = index;
-    print('current index setter: ' + index.toString());
     notifyListeners();
   }
 
   Future getAppVersion() async {
     PackageInfo packageInfo = await PackageInfo.fromPlatform();
-    String appName = packageInfo.appName;
     String version = packageInfo.version;
     String buildNumber = packageInfo.buildNumber;
-    print(appName);
 
     notifyListeners();
     return version + '+' + buildNumber;
   }
 
-  // void onTabTapped(int index) {
-  //   currentIndex = index;
-  //   notifyListeners();
-  // }
-
   Future<String> getRandomEndpoint() async {
     // TODO: Improve implemention of getRandomEndpoint()
     // final _json = json.decode(await getJsonEndpoints());
@@ -50,7 +42,6 @@ class HomeProvider with ChangeNotifier {
     final response = await http.post(_endpoint);
     if (response.statusCode != 400) {
       print('Endpoint statutcode: ' + response.statusCode.toString());
-      // _endpoint = getRandomElement(_list);
       return 'HS';
     }
 
@@ -60,7 +51,6 @@ class HomeProvider with ChangeNotifier {
   Future getAppPath() async {
     appPath = await getApplicationDocumentsDirectory();
     walletsDirectory = Directory('${appPath.path}/wallets');
-    print('AAAAPPPATH: ' + appPath.path);
   }
 
   T getRandomElement<T>(List<T> list) {
diff --git a/lib/models/myWallets.dart b/lib/models/myWallets.dart
index f6d31f92fcfb27c817e50c94c9ea018a2e58a8c0..f9ffd1ac24082d7673d5e12005a3c667d1f5769e 100644
--- a/lib/models/myWallets.dart
+++ b/lib/models/myWallets.dart
@@ -26,10 +26,7 @@ class MyWalletsProvider with ChangeNotifier {
       print('No wallets detected');
       return false;
     } else {
-      print('Some wallets have been detected:');
-      for (var _wallets in contents) {
-        print(_wallets);
-      }
+      print('Some wallets have been detected.');
       return true;
     }
   }
@@ -38,9 +35,7 @@ class MyWalletsProvider with ChangeNotifier {
 
   List getAllWalletsNames() {
     listWallets.clear();
-    print('1');
     print(walletsDirectory.path);
-    print('2');
 
     walletsDirectory
         .listSync(recursive: false, followLinks: false)
diff --git a/lib/models/walletOptions.dart b/lib/models/walletOptions.dart
index d37bb5df2336fbc326319d6a8ee3d15e26bc4e4c..d0abc13fd429bc76c41946bf7eb9ebd3a8590cc5 100644
--- a/lib/models/walletOptions.dart
+++ b/lib/models/walletOptions.dart
@@ -51,6 +51,7 @@ class WalletOptionsProvider with ChangeNotifier {
   }
 
   Future readLocalWallet(String _name, String _pin) async {
+    isWalletUnlock = false;
     print('NOM: ' + _name);
     try {
       File _walletFile = File('${walletsDirectory.path}/$_name/wallet.dewif');
@@ -113,7 +114,8 @@ class WalletOptionsProvider with ChangeNotifier {
                 WidgetsBinding.instance.addPostFrameCallback((_) {
                   _renameWallet(_walletName, this._newWalletName.text);
                 });
-                notifyListeners();
+                // notifyListeners();
+                Navigator.pop(context, true);
                 Navigator.pop(context, true);
               },
             ),
@@ -131,8 +133,7 @@ class WalletOptionsProvider with ChangeNotifier {
       final bool _answer = await _confirmDeletingWallet(context, _name);
 
       if (_answer) {
-        _walletFile.deleteSync(recursive: true);
-        isWalletUnlock = false;
+        await _walletFile.delete(recursive: true);
         Navigator.pop(context);
       }
       return 0;
diff --git a/lib/screens/myWallets/confirmWalletStorage.dart b/lib/screens/myWallets/confirmWalletStorage.dart
index f516513b6842178ed906b6296085bf617dbf02f3..e64188c56752da3b7010f7cb2b77c92d54c2ea6e 100644
--- a/lib/screens/myWallets/confirmWalletStorage.dart
+++ b/lib/screens/myWallets/confirmWalletStorage.dart
@@ -28,7 +28,6 @@ class ConfirmStoreWallet extends StatelessWidget with ChangeNotifier {
         Provider.of<GenerateWalletsProvider>(context);
     MyWalletsProvider _myWalletProvider =
         Provider.of<MyWalletsProvider>(context);
-    print("JE BUILD !!!");
 
     this._mnemonicController.text = generatedMnemonic;
     this._pubkey.text = generatedWallet.publicKey;
@@ -142,8 +141,8 @@ class ConfirmStoreWallet extends StatelessWidget with ChangeNotifier {
                             onPressed: (_generateWalletProvider
                                         .isAskedWordValid &&
                                     this.walletName.text != '')
-                                ? () {
-                                    _generateWalletProvider.storeWallet(
+                                ? () async {
+                                    await _generateWalletProvider.storeWallet(
                                         generatedWallet,
                                         walletName.text,
                                         context);
diff --git a/lib/screens/myWallets/walletOptions.dart b/lib/screens/myWallets/walletOptions.dart
index 03627095ce9aa00d1adbd73387cb8ed2fa550c31..513d4317bbfd2f36ea49ff60b1585ce5149e9e88 100644
--- a/lib/screens/myWallets/walletOptions.dart
+++ b/lib/screens/myWallets/walletOptions.dart
@@ -1,9 +1,9 @@
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:dubp/dubp.dart';
+import 'package:gecko/models/myWallets.dart';
 import 'package:gecko/models/walletOptions.dart';
 import 'package:gecko/screens/myWallets/changePin.dart';
-import 'dart:io';
 import 'dart:async';
 import 'package:pin_code_fields/pin_code_fields.dart';
 import 'package:provider/provider.dart';
@@ -15,11 +15,9 @@ class WalletOptions extends StatelessWidget with ChangeNotifier {
   String walletName;
 
   StreamController<ErrorAnimationType> errorController;
-  Directory appPath;
   TextEditingController _enterPin = new TextEditingController();
   final formKey = GlobalKey<FormState>();
   bool hasError = false;
-  String validPin = 'NO PIN';
   var pinColor = Color(0xffF9F9F1);
   var walletPin = '';
 
@@ -27,8 +25,11 @@ class WalletOptions extends StatelessWidget with ChangeNotifier {
 
   @override
   Widget build(BuildContext context) {
+    print("Build walletOptions");
     WalletOptionsProvider _walletOptions =
         Provider.of<WalletOptionsProvider>(context);
+    MyWalletsProvider _myWalletProvider =
+        Provider.of<MyWalletsProvider>(context);
     errorController = StreamController<ErrorAnimationType>();
     // _walletOptions.isWalletUnlock = false;
     return WillPopScope(
@@ -88,8 +89,16 @@ class WalletOptions extends StatelessWidget with ChangeNotifier {
                                     onPressed: () => _walletOptions
                                             .renameWalletAlerte(
                                                 context, walletName)
-                                            .then((_) {
-                                          notifyListeners();
+                                            .then((_result) {
+                                          if (_result == true) {
+                                            WidgetsBinding.instance
+                                                .addPostFrameCallback((_) {
+                                              _myWalletProvider.listWallets =
+                                                  _myWalletProvider
+                                                      .getAllWalletsNames();
+                                              _myWalletProvider.rebuildWidget();
+                                            });
+                                          }
                                         }),
                                     child: Text('Renommer ce portefeuille',
                                         style: TextStyle(fontSize: 20)))))),
@@ -128,8 +137,14 @@ class WalletOptions extends StatelessWidget with ChangeNotifier {
                                   .redAccent, //Color(0xffFFD68E), // background
                               onPrimary: Colors.black, // foreground
                             ),
-                            onPressed: () {
-                              _walletOptions.deleteWallet(context, walletName);
+                            onPressed: () async {
+                              await _walletOptions.deleteWallet(
+                                  context, walletName);
+                              WidgetsBinding.instance.addPostFrameCallback((_) {
+                                _myWalletProvider.listWallets =
+                                    _myWalletProvider.getAllWalletsNames();
+                                _myWalletProvider.rebuildWidget();
+                              });
                             },
                             child: Text('Supprimer ce portefeuille',
                                 style: TextStyle(fontSize: 20)))),
diff --git a/lib/screens/myWallets/walletsHome.dart b/lib/screens/myWallets/walletsHome.dart
index 3d1e5db860ef24c7248958c2a06bdc35a6d670db..50ba17055b67fa6f5639fcde22d95f335df630f3 100644
--- a/lib/screens/myWallets/walletsHome.dart
+++ b/lib/screens/myWallets/walletsHome.dart
@@ -1,4 +1,5 @@
 import 'package:gecko/models/myWallets.dart';
+import 'package:gecko/models/walletOptions.dart';
 import 'package:gecko/screens/myWallets/generateWallets.dart';
 import 'package:flutter/material.dart';
 import 'package:gecko/screens/myWallets/walletOptions.dart';
@@ -10,13 +11,16 @@ class WalletsHome extends StatelessWidget {
   Widget build(BuildContext context) {
     MyWalletsProvider myWalletProvider =
         Provider.of<MyWalletsProvider>(context);
+    WalletOptionsProvider _walletOptions =
+        Provider.of<WalletOptionsProvider>(context);
     print('BUILD: WalletsHome');
-    myWalletProvider.checkIfWalletExist();
+    _walletOptions.isWalletUnlock = false;
     myWalletProvider.listWallets = myWalletProvider.getAllWalletsNames();
+    final bool isWalletsExists = myWalletProvider.checkIfWalletExist();
 
     return Scaffold(
         floatingActionButton: Visibility(
-            visible: (myWalletProvider.checkIfWalletExist()),
+            visible: (isWalletsExists),
             child: Container(
                 height: 80.0,
                 width: 80.0,
@@ -40,7 +44,7 @@ class WalletsHome extends StatelessWidget {
         body: SafeArea(
             child: Column(children: <Widget>[
           Visibility(
-              visible: (!myWalletProvider.checkIfWalletExist()),
+              visible: (!isWalletsExists),
               child: Column(children: <Widget>[
                 SizedBox(height: 120),
                 Center(
@@ -78,9 +82,7 @@ class WalletsHome extends StatelessWidget {
                     child: Text('Importer un portefeuille existant',
                         style: TextStyle(fontSize: 20))),
               ])),
-          Visibility(
-              visible: myWalletProvider.checkIfWalletExist(),
-              child: myWalletsList(context))
+          Visibility(visible: isWalletsExists, child: myWalletsList(context))
         ])));
   }
 
diff --git a/pubspec.lock b/pubspec.lock
index 5960dc8040c05bb7fe78d569d39ea5c8f1ed96c0..95e4933b67feed0fd89856e6856bc3782161b382 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -21,42 +21,42 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0-nullsafety.3"
+    version: "2.5.0-nullsafety.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.3"
+    version: "2.1.0-nullsafety.1"
   characters:
     dependency: transitive
     description:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.5"
+    version: "1.1.0-nullsafety.3"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.3"
+    version: "1.2.0-nullsafety.1"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.3"
+    version: "1.1.0-nullsafety.1"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0-nullsafety.5"
+    version: "1.15.0-nullsafety.3"
   connectivity:
     dependency: transitive
     description:
@@ -112,7 +112,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.3"
+    version: "1.2.0-nullsafety.1"
   ffi:
     dependency: transitive
     description:
@@ -282,27 +282,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.3"
-  js:
-    dependency: transitive
-    description:
-      name: js
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.6.3-nullsafety.3"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10-nullsafety.3"
+    version: "0.12.10-nullsafety.1"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.6"
+    version: "1.3.0-nullsafety.3"
   nested:
     dependency: transitive
     description:
@@ -330,7 +323,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.3"
+    version: "1.8.0-nullsafety.1"
   path_provider:
     dependency: "direct main"
     description:
@@ -468,28 +461,28 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.4"
+    version: "1.8.0-nullsafety.2"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.10.0-nullsafety.6"
+    version: "1.10.0-nullsafety.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.3"
+    version: "2.1.0-nullsafety.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.3"
+    version: "1.1.0-nullsafety.1"
   super_tooltip:
     dependency: "direct main"
     description:
@@ -503,14 +496,14 @@ packages:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.3"
+    version: "1.2.0-nullsafety.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19-nullsafety.6"
+    version: "0.2.19-nullsafety.2"
   truncate:
     dependency: "direct main"
     description:
@@ -524,7 +517,7 @@ packages:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.5"
+    version: "1.3.0-nullsafety.3"
   uuid:
     dependency: transitive
     description:
@@ -545,7 +538,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.5"
+    version: "2.1.0-nullsafety.3"
   websocket:
     dependency: transitive
     description:
@@ -582,5 +575,5 @@ packages:
     source: hosted
     version: "2.2.1"
 sdks:
-  dart: ">=2.12.0-0.0 <3.0.0"
-  flutter: ">=1.22.0"
+  dart: ">=2.10.0-110 <2.11.0"
+  flutter: ">=1.22.0 <2.0.0"
diff --git a/scripts/build-apk.sh b/scripts/build-apk.sh
index 03ed24dd41ee060b566be5ade16d50dadaed67b8..55736186f4424a6333c726474072ca26741cbc73 100755
--- a/scripts/build-apk.sh
+++ b/scripts/build-apk.sh
@@ -12,8 +12,12 @@ echo "Nom du build final: ${APPNAME}-${VERSION}+${BUILD}.apk"
 
 #flutter build apk --split-per-abi --build-name $VERSION --build-number $BUILD
 flutter clean
-flutter build apk --release --split-per-abi --target-platform android-arm,android-arm64 --build-name $VERSION --build-number $BUILD
-
+if [[ $1 == "bundle" ]]; then
+	flutter build appbundle --release --target-platform android-arm,android-arm64 --build-name $VERSION --build-number $BUILD
+else
+#	flutter build apk --release --split-per-abi --target-platform android-arm,android-arm64 --build-name $VERSION --build-number $BUILD
+	flutter build apk --release --build-name $VERSION --build-number $BUILD
+fi
 
 if [[ -d $HOME/Téléchargements ]]; then
     DL="$HOME/Téléchargements"