diff --git a/src/RgbLedStripController/RgbLedStripController.csproj b/src/RgbLedStripController/RgbLedStripController.csproj
index 1066839..d90bd89 100644
--- a/src/RgbLedStripController/RgbLedStripController.csproj
+++ b/src/RgbLedStripController/RgbLedStripController.csproj
@@ -4,10 +4,10 @@
     <TargetFramework>net8.0-windows10.0.19041.0</TargetFramework>
     <UseWPF>true</UseWPF>
     <UseWindowsForms>true</UseWindowsForms>
-    <Version>0.3.1</Version>
-    <AssemblyVersion>0.3.1.0</AssemblyVersion>
-    <FileVersion>0.3.1.0</FileVersion>
-    <InformationalVersion>0.3.1</InformationalVersion>
+    <Version>0.3.2</Version>
+    <AssemblyVersion>0.3.2.0</AssemblyVersion>
+    <FileVersion>0.3.2.0</FileVersion>
+    <InformationalVersion>0.3.2</InformationalVersion>
     <AssemblyProduct>Fristy.RgbLedStripController</AssemblyProduct>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
diff --git a/src/RgbLedStripController/Services/BleDeviceService.cs b/src/RgbLedStripController/Services/BleDeviceService.cs
index f4a3de4..f1123ec 100644
--- a/src/RgbLedStripController/Services/BleDeviceService.cs
+++ b/src/RgbLedStripController/Services/BleDeviceService.cs
@@ -39,6 +39,7 @@ public sealed class BleDeviceService : IBleTransport
         await MergeWindowsDeviceInventoryAsync(captures);
 
         return captures.Values
+            .Where(capture => IsSupportedAddress(capture.Address))
             .Select(capture => new BleScanResult
             {
                 DeviceId = FormatAddress(capture.Address),
@@ -299,6 +300,9 @@ public sealed class BleDeviceService : IBleTransport
                || normalized.Contains("DUOCO");
     }
 
+    internal static bool IsSupportedAddress(ulong address)
+        => FormatAddress(address).StartsWith("BE:", StringComparison.OrdinalIgnoreCase);
+
     private static async Task RunScanPassAsync(
         ConcurrentDictionary<ulong, ScanCapture> captures,
         BluetoothLEScanningMode mode,
@@ -360,7 +364,8 @@ public sealed class BleDeviceService : IBleTransport
 
                 if (!device.Properties.TryGetValue("System.Devices.Aep.DeviceAddress", out var addressValue)
                     || addressValue is not string addressText
-                    || !TryParseBluetoothAddress(addressText, out var address))
+                    || !TryParseBluetoothAddress(addressText, out var address)
+                    || !IsSupportedAddress(address))
                 {
                     continue;
                 }
diff --git a/src/RgbLedStripController/Services/MultiDeviceController.cs b/src/RgbLedStripController/Services/MultiDeviceController.cs
index b79b899..7585b0d 100644
--- a/src/RgbLedStripController/Services/MultiDeviceController.cs
+++ b/src/RgbLedStripController/Services/MultiDeviceController.cs
@@ -99,6 +99,11 @@ public sealed class MultiDeviceController : IAsyncDisposable
 
     public async Task<ConnectedDeviceViewModel> ConnectAsync(BleScanResult device, CancellationToken cancellationToken = default)
     {
+        if (!BleDeviceService.IsSupportedAddress(device.AddressValue))
+        {
+            throw new ArgumentException($"Desteklenmeyen cihaz adresi: {device.BluetoothAddress}", nameof(device));
+        }
+
         DeviceConnectionContext? existing;
         lock (_stateLock)
         {
@@ -583,6 +588,11 @@ public sealed class MultiDeviceController : IAsyncDisposable
 
     private void UpsertKnownDevice(BleScanResult device)
     {
+        if (!BleDeviceService.IsSupportedAddress(device.AddressValue))
+        {
+            return;
+        }
+
         var alias = GetAlias(device.BluetoothAddress);
         var profile = new DeviceProfile(
             string.IsNullOrWhiteSpace(alias) ? device.NativeName : alias,
@@ -675,6 +685,19 @@ public sealed class MultiDeviceController : IAsyncDisposable
                 : connections.Any(context => context.ViewModel.ConnectionStatus == DeviceConnectionStatus.Faulted)
                     ? DeviceConnectionStatus.Faulted
                     : DeviceConnectionStatus.Disconnected;
+
+        if (State.ConnectionStatus == DeviceConnectionStatus.Faulted
+            && !State.StatusText.Contains("Hata:", StringComparison.Ordinal))
+        {
+            var firstFault = connections
+                .Where(context => context.ViewModel.ConnectionStatus == DeviceConnectionStatus.Faulted)
+                .Select(context => context.ViewModel.StatusText)
+                .FirstOrDefault(text => !string.IsNullOrWhiteSpace(text));
+            if (!string.IsNullOrWhiteSpace(firstFault))
+            {
+                State.StatusText = firstFault;
+            }
+        }
     }
 
     private void EnsureTargetsAvailable()
@@ -708,7 +731,10 @@ public sealed class MultiDeviceController : IAsyncDisposable
                 : $"İşlem başarısız oldu: {firstFailureMessage}";
         }
 
-        return $"{successMessage} {successCount}/{totalCount} hedef başarılı, {failureCount} hata.";
+        var partialMessage = $"{successMessage} {successCount}/{totalCount} hedef başarılı, {failureCount} hata.";
+        return string.IsNullOrWhiteSpace(firstFailureMessage)
+            ? partialMessage
+            : $"{partialMessage} Hata: {firstFailureMessage}";
     }
 
     private sealed class DeviceConnectionContext