diff --git a/EdiabasLib/EdiabasLib/BtLeGattSpp.cs b/EdiabasLib/EdiabasLib/BtLeGattSpp.cs
index 971b8460c..a46dcce60 100644
--- a/EdiabasLib/EdiabasLib/BtLeGattSpp.cs
+++ b/EdiabasLib/EdiabasLib/BtLeGattSpp.cs
@@ -142,7 +142,9 @@ public bool ConnectLeGattDevice(Context context, BluetoothDevice device)
                 _btGattSppInStream = new MemoryQueueBufferStream(true);
                 _btGattSppOutStream = new BGattOutputStream(this);
                 BGattBaseCallback bGattCallback = Build.VERSION.SdkInt >= BuildVersionCodes.Tiramisu ? new BGatt2Callback(this) : new BGatt1Callback(this);
+#pragma warning disable CA1416
                 _bluetoothGatt = device.ConnectGatt(context, false, bGattCallback, BluetoothTransports.Le);
+#pragma warning restore CA1416
                 if (_bluetoothGatt == null)
                 {
                     LogString("*** ConnectGatt failed");
@@ -309,7 +311,9 @@ public bool ConnectLeGattDevice(Context context, BluetoothDevice device)
                 byte[] enableNotifyArray = BluetoothGattDescriptor.EnableNotificationValue.ToArray();
                 if (Build.VERSION.SdkInt >= BuildVersionCodes.Tiramisu)
                 {
+#pragma warning disable CA1416
                     if (_bluetoothGatt.WriteDescriptor(descriptor, enableNotifyArray) != (int) CurrentBluetoothStatusCodes.Success)
+#pragma warning restore CA1416
                     {
                         LogString("*** GATT SPP write config descriptor failed");
                         return false;
@@ -646,6 +650,7 @@ public BGattOutputStream(BtLeGattSpp btLeGattSpp) : base(true)
                 _btLeGattSpp = btLeGattSpp;
             }
 
+            [System.Diagnostics.CodeAnalysis.SuppressMessage("Interoperability", "CA1416: Validate platform compatibility")]
             public override void Write(byte[] buffer, int offset, int count)
             {
                 base.Write(buffer, offset, count);
diff --git a/EdiabasLib/EdiabasLib/EdBluetoothInterfaceAndroid.cs b/EdiabasLib/EdiabasLib/EdBluetoothInterfaceAndroid.cs
index dc4fd7a71..041d83a0b 100644
--- a/EdiabasLib/EdiabasLib/EdBluetoothInterfaceAndroid.cs
+++ b/EdiabasLib/EdiabasLib/EdBluetoothInterfaceAndroid.cs
@@ -1011,6 +1011,7 @@ public override void OnReceive(Android.Content.Context context, Android.Content.
 
     public static class AndroidExtensions
     {
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Interoperability", "CA1416: Validate platform compatibility")]
         public static T GetParcelableExtraType<T>(this Android.Content.Intent intent, string name)
         {
             object parcel;
diff --git a/EdiabasLib/EdiabasLib/EdCustomWiFiInterface.cs b/EdiabasLib/EdiabasLib/EdCustomWiFiInterface.cs
index 5e5989d2d..6867a5f84 100644
--- a/EdiabasLib/EdiabasLib/EdCustomWiFiInterface.cs
+++ b/EdiabasLib/EdiabasLib/EdCustomWiFiInterface.cs
@@ -189,6 +189,7 @@ public static bool InterfaceConnect(string port, object parameter, bool reconnec
                                 {
                                     Android.Net.NetworkCapabilities networkCapabilities = connectivityManager.GetNetworkCapabilities(network);
                                     Android.Net.LinkProperties linkProperties = connectivityManager.GetLinkProperties(network);
+#pragma warning disable CA1416
                                     if (networkCapabilities != null && linkProperties != null && linkProperties.DhcpServerAddress != null)
                                     {
                                         if (networkCapabilities.TransportInfo is Android.Net.Wifi.WifiInfo)
@@ -201,6 +202,7 @@ public static bool InterfaceConnect(string port, object parameter, bool reconnec
                                             }
                                         }
                                     }
+#pragma warning restore CA1416
                                 }
                             }
                         }
diff --git a/EdiabasLib/EdiabasLib/MemoryStreamReaderAndroid.cs b/EdiabasLib/EdiabasLib/MemoryStreamReaderAndroid.cs
index 6ed6aea9f..63efc7f8c 100644
--- a/EdiabasLib/EdiabasLib/MemoryStreamReaderAndroid.cs
+++ b/EdiabasLib/EdiabasLib/MemoryStreamReaderAndroid.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
 using Android.OS;
 // ReSharper disable ConvertPropertyToExpressionBody
 
@@ -344,6 +345,7 @@ private static Dictionary<string, string> GetDirDict(string dirName)
             }
         }
 
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Interoperability", "CA1416: Validate platform compatibility")]
         private static string GetRealFileName(string filePath, bool enableNameEncoding)
         {
             if (File.Exists(filePath))
@@ -443,6 +445,7 @@ public DirectoryObserver(String rootPath)
             {
             }
 
+            [SupportedOSPlatform("android29.0")]
             public DirectoryObserver(Java.IO.File rootPath)
                 : base(rootPath, Events)
             {
diff --git a/EdiabasLib/EdiabasLib/TcpClientWithTimeout.cs b/EdiabasLib/EdiabasLib/TcpClientWithTimeout.cs
index 74b4d08b2..ab6d8528f 100644
--- a/EdiabasLib/EdiabasLib/TcpClientWithTimeout.cs
+++ b/EdiabasLib/EdiabasLib/TcpClientWithTimeout.cs
@@ -123,6 +123,7 @@ public TcpClient Connect(System.Threading.ManualResetEvent resetEvent = null)
             return _connection;
         }
 
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Interoperability", "CA1416: Validate platform compatibility")]
         public static void ExecuteNetworkCommand(ExecuteNetworkDelegate command, IPAddress ipAddr, object networkDataObject)
         {
 #if ANDROID
diff --git a/EdiabasLib/EdiabasLibAndroidNet/EdiabasLibAndroidNet.csproj b/EdiabasLib/EdiabasLibAndroidNet/EdiabasLibAndroidNet.csproj
index 6229625fa..00edffef6 100644
--- a/EdiabasLib/EdiabasLibAndroidNet/EdiabasLibAndroidNet.csproj
+++ b/EdiabasLib/EdiabasLibAndroidNet/EdiabasLibAndroidNet.csproj
@@ -8,10 +8,10 @@
     <DisableFastUpToDateCheck>true</DisableFastUpToDateCheck>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-    <NoWarn>1701;1702;CA1416</NoWarn>
+    <NoWarn>1701;1702</NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-    <NoWarn>1701;1702;CA1416</NoWarn>
+    <NoWarn>1701;1702</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="..\EdiabasLib\BtLeGattSpp.cs" Link="BtLeGattSpp.cs" />