diff --git a/SerialIO/SerialIO.csproj b/SerialIO/SerialIO.csproj
index 94ad688..1b51943 100644
--- a/SerialIO/SerialIO.csproj
+++ b/SerialIO/SerialIO.csproj
@@ -12,8 +12,9 @@
     <RootNamespace>SerialIO</RootNamespace>
     <AssemblyName>SerialIO</AssemblyName>
     <FileAlignment>512</FileAlignment>
-    <TargetFrameworkVersion>v6.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v11.0</TargetFrameworkVersion>
     <AndroidCodegenTarget>XamarinAndroid</AndroidCodegenTarget>
+    <AndroidClassParser>class-parse</AndroidClassParser>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/SerialPort/Resources/Resource.designer.cs b/SerialPort/Resources/Resource.designer.cs
index a3efc9c..ea8cba5 100644
--- a/SerialPort/Resources/Resource.designer.cs
+++ b/SerialPort/Resources/Resource.designer.cs
@@ -2,7 +2,6 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -15,7 +14,7 @@ namespace SerialPort
 {
 	
 	
-	[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Xamarin.Android.Build.Tasks", "1.0.0.0")]
+	[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Xamarin.Android.Build.Tasks", "12.1.0.11")]
 	public partial class Resource
 	{
 		
diff --git a/SerialPort/SerialPort.csproj b/SerialPort/SerialPort.csproj
index b0cc5a8..ff39e30 100644
--- a/SerialPort/SerialPort.csproj
+++ b/SerialPort/SerialPort.csproj
@@ -16,7 +16,7 @@
     <AndroidResgenFile>Resources\Resource.designer.cs</AndroidResgenFile>
     <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
     <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
-    <TargetFrameworkVersion>v6.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v11.0</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/SerialPort/SerialPortWrapper/SerialPort.cs b/SerialPort/SerialPortWrapper/SerialPort.cs
index f6bc79d..a4abfb3 100644
--- a/SerialPort/SerialPortWrapper/SerialPort.cs
+++ b/SerialPort/SerialPortWrapper/SerialPort.cs
@@ -21,7 +21,7 @@ public class SerialPort
         /// <summary>
         /// Stop the reading from the Serial Port.
         /// </summary>
-        private bool _stopOnReceive = true;
+        private bool _stopOnReceive = false;
 
         private int _howManyDelayOnReceivingThread = 200;
 
@@ -88,7 +88,7 @@ public SerialPort(
             });
 
             OnReceiveThread.IsBackground = true;
-            OnReceiveThread.Start();
+            //OnReceiveThread.Start();
 
             _serialPort = Serial.NativeSerialPort;
         }
@@ -346,6 +346,11 @@ public void StopReceive()
             }
         }
 
+        public int BytesToRead
+        {
+            get => _serialPort.Available();
+        }
+
         /// <summary>
         /// Blocks until CTS, DSR, RI, CD changes or something interrupts it.
         /// Can throw an exception if an error occurs while waiting.
diff --git a/SerialPortPoc/MainActivity.cs b/SerialPortPoc/MainActivity.cs
index e0c4574..94a0f0e 100644
--- a/SerialPortPoc/MainActivity.cs
+++ b/SerialPortPoc/MainActivity.cs
@@ -38,7 +38,7 @@ protected override void OnCreate(Bundle bundle)
         private void OpenLibSerialPort()
         {
             LibSerialPort = new SerialPort.SerialPortWrapper.SerialPort(
-               "/dev/tty",
+               "/dev/ttyS3",
                115200,
                Stopbits.One,
                Parity.None,
diff --git a/SerialPortPoc/Properties/AndroidManifest.xml b/SerialPortPoc/Properties/AndroidManifest.xml
index 97d5bc8..6c13c5e 100644
--- a/SerialPortPoc/Properties/AndroidManifest.xml
+++ b/SerialPortPoc/Properties/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="SerialPortPoc.SerialPortPoc" android:versionCode="1" android:versionName="1.0">
-	<uses-sdk android:minSdkVersion="15" android:targetSdkVersion="27" />
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="SerialPortPoc.SerialPortPoc" android:versionCode="1" android:versionName="1.0" android:installLocation="preferExternal">
+	<uses-sdk android:minSdkVersion="26" android:targetSdkVersion="30" />
 	<application android:label="SerialPortPoc"></application>
 </manifest>
\ No newline at end of file
diff --git a/SerialPortPoc/Resources/Resource.Designer.cs b/SerialPortPoc/Resources/Resource.Designer.cs
index d6abced..4a327df 100644
--- a/SerialPortPoc/Resources/Resource.Designer.cs
+++ b/SerialPortPoc/Resources/Resource.Designer.cs
@@ -2,7 +2,6 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -15,7 +14,7 @@ namespace SerialPortPoc
 {
 	
 	
-	[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Xamarin.Android.Build.Tasks", "1.0.0.0")]
+	[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Xamarin.Android.Build.Tasks", "12.1.0.11")]
 	public partial class Resource
 	{
 		
diff --git a/SerialPortPoc/SerialPortPoc.csproj b/SerialPortPoc/SerialPortPoc.csproj
index 985d81b..5ff8ada 100644
--- a/SerialPortPoc/SerialPortPoc.csproj
+++ b/SerialPortPoc/SerialPortPoc.csproj
@@ -15,7 +15,7 @@
     <AndroidApplication>true</AndroidApplication>
     <AndroidResgenFile>Resources\Resource.Designer.cs</AndroidResgenFile>
     <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v11.0</TargetFrameworkVersion>
     <AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
     <AndroidUseLatestPlatformSdk>False</AndroidUseLatestPlatformSdk>
   </PropertyGroup>
@@ -29,6 +29,11 @@
     <WarningLevel>4</WarningLevel>
     <AndroidUseSharedRuntime>True</AndroidUseSharedRuntime>
     <AndroidLinkMode>None</AndroidLinkMode>
+    <AotAssemblies>false</AotAssemblies>
+    <EnableLLVM>false</EnableLLVM>
+    <AndroidEnableProfiledAot>false</AndroidEnableProfiledAot>
+    <BundleAssemblies>false</BundleAssemblies>
+    <AndroidSupportedAbis>armeabi-v7a</AndroidSupportedAbis>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -56,7 +61,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="lib\libserial.so" />
+    <AndroidNativeLibrary Include="lib\armeabi-v7a\libserial.so" />
     <None Include="Resources\AboutResources.txt" />
     <None Include="Assets\AboutAssets.txt" />
   </ItemGroup>
diff --git a/SerialPortPoc/lib/libserial.so b/SerialPortPoc/lib/armeabi-v7a/libserial.so
similarity index 100%
rename from SerialPortPoc/lib/libserial.so
rename to SerialPortPoc/lib/armeabi-v7a/libserial.so