diff --git a/.flutter_version b/.flutter_version
index cac6068c..faf0dcbb 100644
--- a/.flutter_version
+++ b/.flutter_version
@@ -1 +1 @@
-3.32.0
+3.44.0
diff --git a/.pubignore b/.pubignore
new file mode 100644
index 00000000..033a1a10
--- /dev/null
+++ b/.pubignore
@@ -0,0 +1,3 @@
+build/
+**/__pycache__/
+*.pyc
diff --git a/example/lib/widgets/fota/firmware_select/firmware_list.dart b/example/lib/widgets/fota/firmware_select/firmware_list.dart
index 1c8c8225..fce06c19 100644
--- a/example/lib/widgets/fota/firmware_select/firmware_list.dart
+++ b/example/lib/widgets/fota/firmware_select/firmware_list.dart
@@ -20,7 +20,7 @@ class FirmwareList extends StatelessWidget {
         floatingActionButton: FloatingActionButton(
           onPressed: () async {
             // Navigator.pop(context, 'Firmware');
-            FilePickerResult? result = await FilePicker.platform.pickFiles(
+            FilePickerResult? result = await FilePicker.pickFiles(
               type: FileType.custom,
               allowedExtensions: ['zip', 'bin'],
             );
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 8a77d9fb..30301d6c 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -157,10 +157,10 @@ packages:
     dependency: "direct main"
     description:
       name: file_picker
-      sha256: "57d9a1dd5063f85fa3107fb42d1faffda52fdc948cefd5fe5ea85267a5fc7343"
+      sha256: f13a03000d942e476bc1ff0a736d2e9de711d2f89a95cd4c1d88f861c3348387
       url: "https://pub.dev"
     source: hosted
-    version: "10.3.10"
+    version: "11.0.2"
   fixnum:
     dependency: transitive
     description:
@@ -210,10 +210,10 @@ packages:
     dependency: "direct main"
     description:
       name: flutter_platform_widgets
-      sha256: "22a86564cb6cc0b93637c813ca91b0b1f61c2681a31e0f9d77590c1fa9f12020"
+      sha256: aa110ef638076831d060047911a62810d02b4695db58e7682b716c4c4eee65bc
       url: "https://pub.dev"
     source: hosted
-    version: "9.0.0"
+    version: "10.0.1"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
@@ -372,18 +372,18 @@ packages:
     dependency: "direct main"
     description:
       name: mcumgr_flutter
-      sha256: "8165dd611941cabfa0b3c1c3fb7f57fda26a86a2336c896ea263fd0f0c04c605"
+      sha256: ad2647f188cb8ecbc5c5da1fc136e47103e1956706fdc343a5774ace797be160
       url: "https://pub.dev"
     source: hosted
-    version: "0.9.0"
+    version: "0.9.1"
   meta:
     dependency: "direct main"
     description:
       name: meta
-      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
+      sha256: "1741988757a65eb6b36abe716829688cf01910bbf91c34354ff7ec1c3de2b349"
       url: "https://pub.dev"
     source: hosted
-    version: "1.17.0"
+    version: "1.18.0"
   native_toolchain_c:
     dependency: transitive
     description:
@@ -414,7 +414,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "2.3.6"
+    version: "2.3.7"
   package_config:
     dependency: transitive
     description:
@@ -571,10 +571,10 @@ packages:
     dependency: transitive
     description:
       name: protobuf
-      sha256: "75ec242d22e950bdcc79ee38dd520ce4ee0bc491d7fadc4ea47694604d22bf06"
+      sha256: "2fcc8a202ca7ec17dab7c97d6b6d91cf03aa07fe6f65f8afbb6dfa52cc5bd902"
       url: "https://pub.dev"
     source: hosted
-    version: "6.0.0"
+    version: "5.1.0"
   provider:
     dependency: "direct main"
     description:
@@ -656,10 +656,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "8161c84903fd860b26bfdefb7963b3f0b68fee7adea0f59ef805ecca346f0c7a"
+      sha256: "949a932224383300f01be9221c39180316445ecb8e7547f70a41a35bf421fb9e"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.10"
+    version: "0.7.11"
   tuple:
     dependency: transitive
     description:
@@ -680,10 +680,10 @@ packages:
     dependency: transitive
     description:
       name: universal_ble
-      sha256: "6a5c6c1fb295015934a5aef3dc751ae7e00721535275f8478bfe74db77b238c5"
+      sha256: "8e5f4e2827375900b805fe3eb6cb8a305ade2303289d9a5cba0d09a3a37fea29"
       url: "https://pub.dev"
     source: hosted
-    version: "0.21.1"
+    version: "2.0.1"
   uuid:
     dependency: transitive
     description:
@@ -696,10 +696,10 @@ packages:
     dependency: transitive
     description:
       name: vector_graphics
-      sha256: "4d35a36400983c3457c289d4d553b5308f506ea84f7e51c7a564651b5525209a"
+      sha256: "2306c03da2ba81724afeb589c351ebbc0aa7d86005925be8f8735856dbe5e42d"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.1"
+    version: "1.2.2"
   vector_graphics_codec:
     dependency: transitive
     description:
@@ -712,10 +712,10 @@ packages:
     dependency: transitive
     description:
       name: vector_graphics_compiler
-      sha256: "98e7e94de127b46a86ef46197fff84ff99f3d3b80a708390d717ad731efef598"
+      sha256: b9b3f391857781aa96acacef96066f2f49b4cd03cf9fce3ca4d8da2ef5ea129e
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.2"
+    version: "1.2.3"
   vector_math:
     dependency: transitive
     description:
@@ -773,5 +773,5 @@ packages:
     source: hosted
     version: "3.1.3"
 sdks:
-  dart: ">=3.10.3 <4.0.0"
+  dart: ">=3.11.4 <4.0.0"
   flutter: ">=3.38.4"
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index e188ae40..e0788693 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -42,13 +42,13 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
   flutter_colorpicker: ^1.1.0
-  flutter_platform_widgets: ^9.0.0
+  flutter_platform_widgets: ^10.0.1
   meta: ^1.16.0
   bloc: ^9.1.0
   flutter_svg: ^2.0.17
   provider: ^6.1.5
-  file_picker: ^10.3.7
-  mcumgr_flutter: ^0.9.0
+  file_picker: ^11.0.2
+  mcumgr_flutter: ^0.9.1
   flutter_bloc: ^9.1.1
 
 dev_dependencies:
diff --git a/lib/src/fota/utils/device.dart b/lib/src/fota/utils/device.dart
deleted file mode 100644
index e69de29b..00000000
diff --git a/lib/src/managers/ble_manager.dart b/lib/src/managers/ble_manager.dart
index de50c86b..a8a73f16 100644
--- a/lib/src/managers/ble_manager.dart
+++ b/lib/src/managers/ble_manager.dart
@@ -77,6 +77,7 @@ class BleManager extends BleGattManager {
       String deviceId,
       String characteristicId,
       Uint8List value,
+      int? timestamp,
     ) {
       String streamIdentifier =
           _getCharacteristicKey(deviceId, characteristicId);
diff --git a/pubspec.yaml b/pubspec.yaml
index f33e62c7..9c32a858 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -21,16 +21,16 @@ dependencies:
   typed_data: ^1.3.2
   convert: ^3.1.1
   permission_handler: ^12.0.1
-  universal_ble: ^0.21.1
+  universal_ble: ^2.0.1
   logger: ^2.5.0
   # for fota:
   equatable: ^2.0.5
-  file_picker: ^10.3.7
+  file_picker: ^11.0.2
   flutter_archive: ^6.0.0
   flutter_bloc: ^9.1.1
   http: ^1.1.2
   json_annotation: ^4.8.1
-  mcumgr_flutter: ^0.9.0
+  mcumgr_flutter: ^0.9.1
   path_provider: ^2.1.1
   provider: ^6.1.1
   rxdart: ^0.28.0