diff --git a/src/AndroidFileChooserBinding/AndroidFileChooserBinding.csproj b/src/AndroidFileChooserBinding/AndroidFileChooserBinding.csproj
index e0dcff19..8eb61297 100644
--- a/src/AndroidFileChooserBinding/AndroidFileChooserBinding.csproj
+++ b/src/AndroidFileChooserBinding/AndroidFileChooserBinding.csproj
@@ -10,8 +10,8 @@
     <RootNamespace>AndroidFileChooserBinding</RootNamespace>
     <AssemblyName>AndroidFileChooserBinding</AssemblyName>
     <FileAlignment>512</FileAlignment>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
-    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
+    <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/src/JavaFileStorageBindings/JavaFileStorageBindings.csproj b/src/JavaFileStorageBindings/JavaFileStorageBindings.csproj
index 48b1b233..bc0e6833 100644
--- a/src/JavaFileStorageBindings/JavaFileStorageBindings.csproj
+++ b/src/JavaFileStorageBindings/JavaFileStorageBindings.csproj
@@ -10,8 +10,8 @@
     <RootNamespace>JavaFileStorageBindings</RootNamespace>
     <AssemblyName>JavaFileStorageBindings</AssemblyName>
     <FileAlignment>512</FileAlignment>
-    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
+    <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/src/KP2AKdbLibraryBinding/KP2AKdbLibraryBinding.csproj b/src/KP2AKdbLibraryBinding/KP2AKdbLibraryBinding.csproj
index 885738cb..15da8c76 100644
--- a/src/KP2AKdbLibraryBinding/KP2AKdbLibraryBinding.csproj
+++ b/src/KP2AKdbLibraryBinding/KP2AKdbLibraryBinding.csproj
@@ -10,8 +10,8 @@
     <RootNamespace>KP2AKdbLibraryBinding</RootNamespace>
     <AssemblyName>KP2AKdbLibraryBinding</AssemblyName>
     <FileAlignment>512</FileAlignment>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
-    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
+    <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/src/KeePassLib2Android/KeePassLib2Android.csproj b/src/KeePassLib2Android/KeePassLib2Android.csproj
index d5ba5757..d6cf5387 100644
--- a/src/KeePassLib2Android/KeePassLib2Android.csproj
+++ b/src/KeePassLib2Android/KeePassLib2Android.csproj
@@ -12,8 +12,8 @@
     <AndroidResgenFile>Resources\Resource.designer.cs</AndroidResgenFile>
     <AndroidResgenClass>Resource</AndroidResgenClass>
     <AssemblyName>KeePassLib2Android</AssemblyName>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
-    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
+    <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
     <NuGetPackageImportStamp>8482b288</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/src/Kp2aBusinessLogic/Kp2aBusinessLogic.csproj b/src/Kp2aBusinessLogic/Kp2aBusinessLogic.csproj
index 535041ea..24662bfd 100644
--- a/src/Kp2aBusinessLogic/Kp2aBusinessLogic.csproj
+++ b/src/Kp2aBusinessLogic/Kp2aBusinessLogic.csproj
@@ -12,8 +12,8 @@
     <FileAlignment>512</FileAlignment>
     <AndroidResgenFile>Resources\Resource.Designer.cs</AndroidResgenFile>
     <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
-    <AndroidUseLatestPlatformSdk>true</AndroidUseLatestPlatformSdk>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
+    <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
   </PropertyGroup>
diff --git a/src/Kp2aKeyboardBinding/Kp2aKeyboardBinding.csproj b/src/Kp2aKeyboardBinding/Kp2aKeyboardBinding.csproj
index 4db39fd7..db4ca227 100644
--- a/src/Kp2aKeyboardBinding/Kp2aKeyboardBinding.csproj
+++ b/src/Kp2aKeyboardBinding/Kp2aKeyboardBinding.csproj
@@ -10,8 +10,8 @@
     <MonoAndroidAssetsPrefix>Assets</MonoAndroidAssetsPrefix>
     <MonoAndroidResourcePrefix>Resources</MonoAndroidResourcePrefix>
     <AssemblyName>Kp2aKeyboardBinding</AssemblyName>
-    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
+    <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>True</DebugSymbols>
diff --git a/src/PCloudBindings/PCloudBindings.csproj b/src/PCloudBindings/PCloudBindings.csproj
index c28479d6..e98072b7 100644
--- a/src/PCloudBindings/PCloudBindings.csproj
+++ b/src/PCloudBindings/PCloudBindings.csproj
@@ -4,19 +4,14 @@
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{2DB80C77-D46F-4970-B967-E9FFA9B2AC2E}</ProjectGuid>
-
     <ProjectTypeGuids>{EFBA0AD7-5A72-4C68-AF49-83D382785DCF};{10368E6C-D01B-4462-8E8B-01FC667A7035};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <OutputType>Library</OutputType>
-
-
-
-
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>PCloudBindings</RootNamespace>
     <AssemblyName>PCouldBindings</AssemblyName>
     <FileAlignment>512</FileAlignment>
-    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
+    <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -26,7 +21,6 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>0</WarningLevel>
-
     <AndroidLinkMode>None</AndroidLinkMode>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
@@ -37,7 +31,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <AndroidUseSharedRuntime>false</AndroidUseSharedRuntime>
-
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'ReleaseNoNet|AnyCPU'">
     <OutputPath>bin\ReleaseNoNet\</OutputPath>
@@ -53,18 +46,12 @@
   <ItemGroup>
     <Reference Include="Mono.Android" />
     <Reference Include="System" />
-
     <Reference Include="System.Core" />
-
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
-
-
-
-
     <None Include="Jars\AboutJars.txt" />
     <None Include="Additions\AboutAdditions.txt" />
     <LibraryProjectZip Include="Jars\pcloud-sdk-android-1.1.0.aar" />
@@ -73,7 +60,6 @@
     <TransformFile Include="Transforms\Metadata.xml" />
     <TransformFile Include="Transforms\EnumFields.xml" />
     <TransformFile Include="Transforms\EnumMethods.xml" />
-
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.Bindings.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
@@ -86,5 +72,4 @@
   <ItemGroup>
     <EmbeddedReferenceJar Include="Jars\pcloud-sdk-java-core-1.1.0.jar" />
   </ItemGroup>
-
-</Project>
+</Project>
\ No newline at end of file
diff --git a/src/PluginSdkBinding/PluginSdkBinding.csproj b/src/PluginSdkBinding/PluginSdkBinding.csproj
index 5aa9740a..c26931a6 100644
--- a/src/PluginSdkBinding/PluginSdkBinding.csproj
+++ b/src/PluginSdkBinding/PluginSdkBinding.csproj
@@ -11,7 +11,7 @@
     <AssemblyName>PluginSdkBinding</AssemblyName>
     <FileAlignment>512</FileAlignment>
     <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/src/TwofishCipher/TwofishCipher.csproj b/src/TwofishCipher/TwofishCipher.csproj
index cc694ba4..e980118d 100644
--- a/src/TwofishCipher/TwofishCipher.csproj
+++ b/src/TwofishCipher/TwofishCipher.csproj
@@ -12,8 +12,8 @@
     <FileAlignment>512</FileAlignment>
     <AndroidResgenFile>Resources\Resource.Designer.cs</AndroidResgenFile>
     <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
-    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
+    <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/src/ZlibAndroid/ZlibAndroid.csproj b/src/ZlibAndroid/ZlibAndroid.csproj
index 73aa0362..35524aa5 100644
--- a/src/ZlibAndroid/ZlibAndroid.csproj
+++ b/src/ZlibAndroid/ZlibAndroid.csproj
@@ -11,9 +11,9 @@
     <AndroidResgenClass>Resource</AndroidResgenClass>
     <MonoAndroidResourcePrefix>Resources</MonoAndroidResourcePrefix>
     <MonoAndroidAssetsPrefix>Assets</MonoAndroidAssetsPrefix>
-    <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
+    <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
     <AssemblyName>ZlibAndroid</AssemblyName>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/src/netftpandroid b/src/netftpandroid
index 23df4cf1..e2c34d09 160000
--- a/src/netftpandroid
+++ b/src/netftpandroid
@@ -1 +1 @@
-Subproject commit 23df4cf135857eb33f3656567d08ec228d96d4b5
+Subproject commit e2c34d096ab39eef271d0d87f4746658d295b550