diff --git a/MetaforceInstaller.Core/Services/AdbService.cs b/MetaforceInstaller.Core/Services/AdbService.cs
index ddf790f..07ca0ed 100644
--- a/MetaforceInstaller.Core/Services/AdbService.cs
+++ b/MetaforceInstaller.Core/Services/AdbService.cs
@@ -15,9 +15,15 @@ public class AdbService : IAdbService
     private readonly ILogger<AdbService> _logger;
     private readonly AdbClient _adbClient;
     private DeviceData _deviceData;
+    private DeviceMonitor? _deviceMonitor;
 
     public event EventHandler<ProgressInfo>? ProgressChanged;
     public event EventHandler<string>? StatusChanged;
+    public EventHandler<DeviceDataEventArgs>? DeviceConnected;
+    public EventHandler<DeviceDataEventArgs>? DeviceDisconnected;
+    public EventHandler<DeviceDataEventArgs>? DeviceChanged;
+
+    public bool IsDeviceConnected => _deviceData != null && _deviceData.State == DeviceState.Online;
 
     public AdbService(ILogger<AdbService>? logger = null)
     {
@@ -27,6 +33,46 @@ public class AdbService : IAdbService
         var serverStatus = server.StartServer(adbPath, restartServerIfNewer: false);
         _adbClient = new AdbClient();
         RefreshDeviceData();
+        StartDeviceMonitoring();
+    }
+
+    private void StartDeviceMonitoring()
+    {
+        try
+        {
+            _deviceMonitor = new DeviceMonitor(new AdbSocket(_adbClient.EndPoint));
+            _deviceMonitor.DeviceConnected += OnDeviceConnected;
+            _deviceMonitor.DeviceDisconnected += OnDeviceDisconnected;
+            _deviceMonitor.DeviceChanged += OnDeviceChanged;
+            _deviceMonitor.Start();
+
+            _logger.LogInformation("Device monitoring started");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError($"Failed to start device monitoring: {ex.Message}");
+        }
+    }
+
+    private void OnDeviceConnected(object? sender, DeviceDataEventArgs e)
+    {
+        _logger.LogInformation($"Device conn: {e.Device.Serial}");
+        RefreshDeviceData();
+        DeviceConnected?.Invoke(this, e);
+    }
+
+    private void OnDeviceDisconnected(object? sender, DeviceDataEventArgs e)
+    {
+        _logger.LogInformation($"Device disconnected: {e.Device.Serial}");
+        RefreshDeviceData();
+        DeviceDisconnected?.Invoke(this, e);
+    }
+
+    private void OnDeviceChanged(object? sender, DeviceDataEventArgs e)
+    {
+        _logger.LogInformation($"Device changed: {e.Device.Serial}");
+        RefreshDeviceData();
+        DeviceChanged?.Invoke(this, e);
     }
 
     public void RefreshDeviceData()
@@ -163,7 +209,7 @@ public class AdbService : IAdbService
                     () => { _adbClient.ExecuteRemoteCommand($"mkdir -p \"{remoteDir}\"", _deviceData, reciever); },
                     cancellationToken);
             }
-            
+
             _logger.LogInformation($"Ensured remote directory: {remoteDir}");
 
             await Task.Run(() =>
@@ -203,4 +249,15 @@ public class AdbService : IAdbService
     {
         return new DeviceInfo(_deviceData.Serial, _deviceData.State.ToString(), _deviceData.Model, _deviceData.Name);
     }
+
+    public void Dispose()
+    {
+        if (_deviceMonitor != null)
+        {
+            _deviceMonitor.DeviceConnected -= OnDeviceConnected;
+            _deviceMonitor.DeviceDisconnected -= OnDeviceDisconnected;
+            _deviceMonitor.DeviceChanged -= OnDeviceChanged;
+            _deviceMonitor.Dispose();
+        }
+    }
 }
\ No newline at end of file
diff --git a/MetaforceInstaller.UI/ViewModels/MainWindowViewModel.cs b/MetaforceInstaller.UI/ViewModels/MainWindowViewModel.cs
index 6a81dcd..6fbef5c 100644
--- a/MetaforceInstaller.UI/ViewModels/MainWindowViewModel.cs
+++ b/MetaforceInstaller.UI/ViewModels/MainWindowViewModel.cs
@@ -2,6 +2,7 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
+using Avalonia.Media;
 using MetaforceInstaller.Core.Models;
 
 namespace MetaforceInstaller.UI.ViewModels;
@@ -12,6 +13,42 @@ public class MainWindowViewModel : INotifyPropertyChanged
 
     public ObservableCollection<InstallationData> Installations { get; set; } = new();
 
+    private bool _isDeviceConnected;
+
+    public bool IsDeviceConnected
+    {
+        get => _isDeviceConnected;
+        set
+        {
+            if (_isDeviceConnected != value)
+            {
+                _isDeviceConnected = value;
+                OnPropertyChanged();
+                OnPropertyChanged(nameof(StatusColor));
+                OnPropertyChanged(nameof(StatusText));
+            }
+        }
+    }
+
+    private string _deviceSerial = string.Empty;
+
+    public string DeviceSerial
+    {
+        get => _deviceSerial;
+        set
+        {
+            if (_deviceSerial != value)
+            {
+                _deviceSerial = value;
+                OnPropertyChanged();
+                OnPropertyChanged(nameof(StatusText));
+            }
+        }
+    }
+
+    public IBrush StatusColor => IsDeviceConnected ? Brushes.Green : Brushes.Red;
+    public string StatusText => IsDeviceConnected ? $"Connected to {_deviceSerial}" : "Not connected";
+
     public void LoadInstallations(IEnumerable<InstallationData> data)
     {
         Installations.Clear();
diff --git a/MetaforceInstaller.UI/Windows/MainWindow.axaml b/MetaforceInstaller.UI/Windows/MainWindow.axaml
index eaaf434..9e4547b 100644
--- a/MetaforceInstaller.UI/Windows/MainWindow.axaml
+++ b/MetaforceInstaller.UI/Windows/MainWindow.axaml
@@ -75,7 +75,10 @@
         </ScrollViewer>
 
         <DockPanel Grid.Row="2">
-            <Label Name="VersionLabel" HorizontalAlignment="Right" />
+            <Border Name="StatusCircle" Margin="4" Width="16" Height="16" Background="{Binding StatusColor}"
+                    CornerRadius="50" HorizontalAlignment="Left" />
+            <Label Name="SerialNumberLabel" Content="{Binding StatusText}" />
+            <Label Name="VersionLabel" HorizontalAlignment="Right" VerticalAlignment="Center" />
         </DockPanel>
     </Grid>
 </Window>
\ No newline at end of file
diff --git a/MetaforceInstaller.UI/Windows/MainWindow.axaml.cs b/MetaforceInstaller.UI/Windows/MainWindow.axaml.cs
index ee23eb4..8ab161b 100644
--- a/MetaforceInstaller.UI/Windows/MainWindow.axaml.cs
+++ b/MetaforceInstaller.UI/Windows/MainWindow.axaml.cs
@@ -1,8 +1,10 @@
 using System;
 using System.Diagnostics;
 using System.Reflection;
+using AdvancedSharpAdbClient.Models;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
+using Avalonia.Threading;
 using MetaforceInstaller.Core.Intefaces;
 using MetaforceInstaller.Core.Models;
 using MetaforceInstaller.Core.Services;
@@ -14,6 +16,7 @@ public partial class MainWindow : Window
 {
     private MainWindowViewModel _viewModel;
     private IStorageService _storageService;
+    private AdbService _adbService;
 
     public MainWindow()
     {
@@ -21,14 +24,68 @@ public partial class MainWindow : Window
 
         _viewModel = new MainWindowViewModel();
         _storageService = new StorageService();
+        _adbService = new AdbService();
+
         DataContext = _viewModel;
-        
+
         VersionLabel.Content = Assembly.GetExecutingAssembly()
             .GetCustomAttribute<AssemblyFileVersionAttribute>()?.Version;
 
         NewInstallationButton.Click += OnNewInstalltionClick;
-        
+
+        _adbService.DeviceConnected += OnAdbDeviceConnected;
+        _adbService.DeviceDisconnected += OnAdbDeviceDisconnected;
+        _adbService.DeviceChanged += OnAdbDeviceChanged;
+
         LoadInstallations();
+        UpdateDeviceStatus();
+    }
+
+    private void UpdateDeviceStatus()
+    {
+        var isConnected = _adbService.IsDeviceConnected;
+        _viewModel.IsDeviceConnected = isConnected;
+
+        if (isConnected)
+        {
+            try
+            {
+                var deviceInfo = _adbService.GetDeviceInfo();
+                _viewModel.DeviceSerial = deviceInfo.SerialNumber;
+            }
+            catch
+            {
+                _viewModel.DeviceSerial = "Unknown";
+            }
+        }
+        else
+        {
+            _viewModel.DeviceSerial = string.Empty;
+        }
+    }
+
+    private void OnAdbDeviceConnected(object? sender, DeviceDataEventArgs e)
+    {
+        Dispatcher.UIThread.Post(() =>
+        {
+            UpdateDeviceStatus();
+        });
+    }
+
+    private void OnAdbDeviceDisconnected(object? sender, DeviceDataEventArgs e)
+    {
+        Dispatcher.UIThread.Post(() =>
+        {
+            UpdateDeviceStatus();
+        });
+    }
+
+    private void OnAdbDeviceChanged(object? sender, DeviceDataEventArgs e)
+    {
+        Dispatcher.UIThread.Post(() =>
+        {
+            UpdateDeviceStatus();
+        });
     }
 
     private void LoadInstallations()
@@ -52,7 +109,7 @@ public partial class MainWindow : Window
             Console.WriteLine($"Delete {name}");
         }
     }
-    
+
     public async void OnLaunchServerClick(object? sender, RoutedEventArgs e)
     {
         if (sender is Button button && button.DataContext is InstallationData installationData)
@@ -80,4 +137,14 @@ public partial class MainWindow : Window
             Process.Start(processInfo);
         }
     }
+
+    protected override void OnClosed(EventArgs e)
+    {
+        _adbService.DeviceConnected -= OnAdbDeviceConnected;
+        _adbService.DeviceDisconnected -= OnAdbDeviceDisconnected;
+        _adbService.DeviceChanged -= OnAdbDeviceChanged;
+        _adbService.Dispose();
+
+        base.OnClosed(e);
+    }
 }
\ No newline at end of file