diff --git a/lib/connector/meshcore_connector.dart b/lib/connector/meshcore_connector.dart
index 606b870..95bce3b 100644
--- a/lib/connector/meshcore_connector.dart
+++ b/lib/connector/meshcore_connector.dart
@@ -748,7 +748,10 @@ class MeshCoreConnector extends ChangeNotifier {
       try {
         await FlutterBluePlus.stopScan();
       } catch (e) {
-        debugPrint('[FBP] stopScan error in startScan (ignored): $e');
+        _appDebugLogService?.warn(
+          'stopScan error in startScan (ignored): $e',
+          tag: 'BLE Scan',
+        );
       }
     }
     await _scanSubscription?.cancel();
@@ -808,7 +811,10 @@ class MeshCoreConnector extends ChangeNotifier {
       try {
         await FlutterBluePlus.stopScan();
       } catch (e) {
-        debugPrint('[FBP] stopScan error (ignored): $e');
+        _appDebugLogService?.warn(
+          'stopScan error (ignored): $e',
+          tag: 'BLE Scan',
+        );
       }
     }
     await _scanSubscription?.cancel();
diff --git a/lib/l10n/app_bg.arb b/lib/l10n/app_bg.arb
index f71dfdd..379dd47 100644
--- a/lib/l10n/app_bg.arb
+++ b/lib/l10n/app_bg.arb
@@ -1809,7 +1809,7 @@
   "usbScreenEmptyState": "Няма открити USB устройства. Включете едно и опитайте отново.",
   "usbErrorPermissionDenied": "Не беше разрешено достъпът през USB.",
   "usbErrorDeviceMissing": "Избраното USB устройство вече не е налично.",
-  "usbErrorInvalidPort": "Изберете валитно USB устройство.",
+  "usbErrorInvalidPort": "Изберете валидно USB устройство.",
   "usbErrorBusy": "Друг мол за свързване през USB вече е в процес на изпълнение.",
   "usbErrorNotConnected": "Няма свързано USB устройство.",
   "usbErrorOpenFailed": "Не успях да отворя избраното USB устройство.",
diff --git a/lib/l10n/app_en.arb b/lib/l10n/app_en.arb
index 315c88c..87aa1e1 100644
--- a/lib/l10n/app_en.arb
+++ b/lib/l10n/app_en.arb
@@ -190,20 +190,20 @@
   "appSettings_language": "Language",
   "appSettings_languageSystem": "System default",
   "appSettings_languageEn": "English",
-  "appSettings_languageFr": "Français",
-  "appSettings_languageEs": "Español",
+  "appSettings_languageFr": "Français",
+  "appSettings_languageEs": "Español",
   "appSettings_languageDe": "Deutsch",
   "appSettings_languagePl": "Polski",
-  "appSettings_languageSl": "Slovenščina",
-  "appSettings_languagePt": "Português",
+  "appSettings_languageSl": "Slovenščina",
+  "appSettings_languagePt": "Português",
   "appSettings_languageIt": "Italiano",
-  "appSettings_languageZh": "中文",
+  "appSettings_languageZh": "中文",
   "appSettings_languageSv": "Svenska",
   "appSettings_languageNl": "Nederlands",
-  "appSettings_languageSk": "Slovenčina",
-  "appSettings_languageBg": "Български",
-  "appSettings_languageRu": "Русский",
-  "appSettings_languageUk": "Українська",
+  "appSettings_languageSk": "Slovenčina",
+  "appSettings_languageBg": "Български",
+  "appSettings_languageRu": "Русский",
+  "appSettings_languageUk": "Українська",
   "appSettings_enableMessageTracing": "Enable Message Tracing",
   "appSettings_enableMessageTracingSubtitle": "Show detailed routing and timing metadata for messages",
   "appSettings_notifications": "Notifications",
@@ -1351,7 +1351,7 @@
       }
     }
   },
-  "telemetry_temperatureValue": "{celsius}°C / {fahrenheit}°F",
+  "telemetry_temperatureValue": "{celsius}°C / {fahrenheit}°F",
   "@telemetry_temperatureValue": {
     "placeholders": {
       "celsius": {
@@ -1401,7 +1401,7 @@
   "channelPath_repeatsLabel": "Repeats",
   "channelPath_pathLabel": "Path {index}",
   "channelPath_observedLabel": "Observed",
-  "channelPath_observedPathTitle": "Observed path {index} • {hops}",
+  "channelPath_observedPathTitle": "Observed path {index} • {hops}",
   "@channelPath_observedPathTitle": {
     "placeholders": {
       "index": {
@@ -1476,7 +1476,7 @@
   },
   "channelPath_pathLabelTitle": "Path",
   "channelPath_observedPathHeader": "Observed Path",
-  "channelPath_selectedPathLabel": "{label} • {prefixes}",
+  "channelPath_selectedPathLabel": "{label} • {prefixes}",
   "@channelPath_selectedPathLabel": {
     "placeholders": {
       "label": {
diff --git a/lib/l10n/app_localizations.dart b/lib/l10n/app_localizations.dart
index f29ef1d..a679063 100644
--- a/lib/l10n/app_localizations.dart
+++ b/lib/l10n/app_localizations.dart
@@ -1015,13 +1015,13 @@ abstract class AppLocalizations {
   /// No description provided for @appSettings_languageFr.
   ///
   /// In en, this message translates to:
-  /// **'Français'**
+  /// **'Français'**
   String get appSettings_languageFr;
 
   /// No description provided for @appSettings_languageEs.
   ///
   /// In en, this message translates to:
-  /// **'Español'**
+  /// **'Español'**
   String get appSettings_languageEs;
 
   /// No description provided for @appSettings_languageDe.
@@ -1039,13 +1039,13 @@ abstract class AppLocalizations {
   /// No description provided for @appSettings_languageSl.
   ///
   /// In en, this message translates to:
-  /// **'Slovenščina'**
+  /// **'Slovenščina'**
   String get appSettings_languageSl;
 
   /// No description provided for @appSettings_languagePt.
   ///
   /// In en, this message translates to:
-  /// **'Português'**
+  /// **'Português'**
   String get appSettings_languagePt;
 
   /// No description provided for @appSettings_languageIt.
@@ -1057,7 +1057,7 @@ abstract class AppLocalizations {
   /// No description provided for @appSettings_languageZh.
   ///
   /// In en, this message translates to:
-  /// **'中文'**
+  /// **'中文'**
   String get appSettings_languageZh;
 
   /// No description provided for @appSettings_languageSv.
@@ -1075,25 +1075,25 @@ abstract class AppLocalizations {
   /// No description provided for @appSettings_languageSk.
   ///
   /// In en, this message translates to:
-  /// **'Slovenčina'**
+  /// **'Slovenčina'**
   String get appSettings_languageSk;
 
   /// No description provided for @appSettings_languageBg.
   ///
   /// In en, this message translates to:
-  /// **'Български'**
+  /// **'Български'**
   String get appSettings_languageBg;
 
   /// No description provided for @appSettings_languageRu.
   ///
   /// In en, this message translates to:
-  /// **'Русский'**
+  /// **'Русский'**
   String get appSettings_languageRu;
 
   /// No description provided for @appSettings_languageUk.
   ///
   /// In en, this message translates to:
-  /// **'Українська'**
+  /// **'Українська'**
   String get appSettings_languageUk;
 
   /// No description provided for @appSettings_enableMessageTracing.
@@ -4409,7 +4409,7 @@ abstract class AppLocalizations {
   /// No description provided for @telemetry_temperatureValue.
   ///
   /// In en, this message translates to:
-  /// **'{celsius}°C / {fahrenheit}°F'**
+  /// **'{celsius}°C / {fahrenheit}°F'**
   String telemetry_temperatureValue(String celsius, String fahrenheit);
 
   /// No description provided for @neighbors_receivedData.
@@ -4523,7 +4523,7 @@ abstract class AppLocalizations {
   /// No description provided for @channelPath_observedPathTitle.
   ///
   /// In en, this message translates to:
-  /// **'Observed path {index} • {hops}'**
+  /// **'Observed path {index} • {hops}'**
   String channelPath_observedPathTitle(int index, String hops);
 
   /// No description provided for @channelPath_noLocationData.
@@ -4607,7 +4607,7 @@ abstract class AppLocalizations {
   /// No description provided for @channelPath_selectedPathLabel.
   ///
   /// In en, this message translates to:
-  /// **'{label} • {prefixes}'**
+  /// **'{label} • {prefixes}'**
   String channelPath_selectedPathLabel(String label, String prefixes);
 
   /// No description provided for @channelPath_noHopDetailsAvailable.
diff --git a/lib/l10n/app_localizations_bg.dart b/lib/l10n/app_localizations_bg.dart
index 39f827b..b964966 100644
--- a/lib/l10n/app_localizations_bg.dart
+++ b/lib/l10n/app_localizations_bg.dart
@@ -140,7 +140,7 @@ class AppLocalizationsBg extends AppLocalizations {
       'Избраното USB устройство вече не е налично.';
 
   @override
-  String get usbErrorInvalidPort => 'Изберете валитно USB устройство.';
+  String get usbErrorInvalidPort => 'Изберете валидно USB устройство.';
 
   @override
   String get usbErrorBusy =>
diff --git a/lib/l10n/app_localizations_en.dart b/lib/l10n/app_localizations_en.dart
index 0ecff06..05ed0b9 100644
--- a/lib/l10n/app_localizations_en.dart
+++ b/lib/l10n/app_localizations_en.dart
@@ -489,10 +489,10 @@ class AppLocalizationsEn extends AppLocalizations {
   String get appSettings_languageEn => 'English';
 
   @override
-  String get appSettings_languageFr => 'Français';
+  String get appSettings_languageFr => 'Français';
 
   @override
-  String get appSettings_languageEs => 'Español';
+  String get appSettings_languageEs => 'Español';
 
   @override
   String get appSettings_languageDe => 'Deutsch';
@@ -501,16 +501,16 @@ class AppLocalizationsEn extends AppLocalizations {
   String get appSettings_languagePl => 'Polski';
 
   @override
-  String get appSettings_languageSl => 'Slovenščina';
+  String get appSettings_languageSl => 'Slovenščina';
 
   @override
-  String get appSettings_languagePt => 'Português';
+  String get appSettings_languagePt => 'Português';
 
   @override
   String get appSettings_languageIt => 'Italiano';
 
   @override
-  String get appSettings_languageZh => '中文';
+  String get appSettings_languageZh => '中文';
 
   @override
   String get appSettings_languageSv => 'Svenska';
@@ -519,16 +519,16 @@ class AppLocalizationsEn extends AppLocalizations {
   String get appSettings_languageNl => 'Nederlands';
 
   @override
-  String get appSettings_languageSk => 'Slovenčina';
+  String get appSettings_languageSk => 'Slovenčina';
 
   @override
-  String get appSettings_languageBg => 'Български';
+  String get appSettings_languageBg => 'Български';
 
   @override
-  String get appSettings_languageRu => 'Русский';
+  String get appSettings_languageRu => 'Русский';
 
   @override
-  String get appSettings_languageUk => 'Українська';
+  String get appSettings_languageUk => 'Українська';
 
   @override
   String get appSettings_enableMessageTracing => 'Enable Message Tracing';
@@ -2465,7 +2465,7 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String telemetry_temperatureValue(String celsius, String fahrenheit) {
-    return '$celsius°C / $fahrenheit°F';
+    return '$celsius°C / $fahrenheit°F';
   }
 
   @override
@@ -2533,7 +2533,7 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String channelPath_observedPathTitle(int index, String hops) {
-    return 'Observed path $index • $hops';
+    return 'Observed path $index • $hops';
   }
 
   @override
@@ -2588,7 +2588,7 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String channelPath_selectedPathLabel(String label, String prefixes) {
-    return '$label • $prefixes';
+    return '$label • $prefixes';
   }
 
   @override
diff --git a/lib/l10n/app_localizations_sv.dart b/lib/l10n/app_localizations_sv.dart
index c68faf5..e36fc2a 100644
--- a/lib/l10n/app_localizations_sv.dart
+++ b/lib/l10n/app_localizations_sv.dart
@@ -126,7 +126,7 @@ class AppLocalizationsSv extends AppLocalizations {
 
   @override
   String get usbScreenNote =>
-      'USB-seriell kommunikation är aktiv på stöderdade Android-enheter och skrivbordsplattformar.';
+      'USB-seriell kommunikation är aktiv på stödda Android-enheter och skrivbordsplattformar.';
 
   @override
   String get usbScreenEmptyState =>
diff --git a/lib/l10n/app_sv.arb b/lib/l10n/app_sv.arb
index 025294a..836bef0 100644
--- a/lib/l10n/app_sv.arb
+++ b/lib/l10n/app_sv.arb
@@ -1802,7 +1802,7 @@
   "contacts_searchFavorites": "Sök {number}{str} Favoriter...",
   "contacts_searchUsers": "Sök {number}{str} användare...",
   "contacts_searchRoomServers": "Sök {number}{str} Room-servrar...",
-  "usbScreenNote": "USB-seriell kommunikation är aktiv på stöderdade Android-enheter och skrivbordsplattformar.",
+  "usbScreenNote": "USB-seriell kommunikation är aktiv på stödda Android-enheter och skrivbordsplattformar.",
   "usbScreenStatus": "Välj en USB-enhet",
   "usbScreenSubtitle": "Välj en detekterad seriell enhet och anslut direkt till din MeshCore-nod.",
   "usbScreenTitle": "Anslut via USB",
diff --git a/lib/screens/scanner_screen.dart b/lib/screens/scanner_screen.dart
index f7966e9..5d7695c 100644
--- a/lib/screens/scanner_screen.dart
+++ b/lib/screens/scanner_screen.dart
@@ -6,6 +6,7 @@ import 'package:provider/provider.dart';
 
 import '../connector/meshcore_connector.dart';
 import '../l10n/l10n.dart';
+import '../utils/app_logger.dart';
 import '../widgets/adaptive_app_bar_title.dart';
 import '../widgets/device_tile.dart';
 import 'contacts_screen.dart';
@@ -60,7 +61,7 @@ class _ScannerScreenState extends State<ScannerScreen> {
         }
       },
       onError: (Object e) {
-        debugPrint("Scanner adapterState stream error: $e");
+        appLogger.warn('Adapter state stream error: $e', tag: 'ScannerScreen');
       },
     );
   }
@@ -86,7 +87,7 @@ class _ScannerScreenState extends State<ScannerScreen> {
             ? IconButton(
                 icon: const Icon(Icons.arrow_back),
                 onPressed: () {
-                  debugPrint('ScannerScreen: back button pressed');
+                  appLogger.info('Back button pressed', tag: 'ScannerScreen');
                   Navigator.of(context).maybePop();
                 },
               )
@@ -131,8 +132,9 @@ class _ScannerScreenState extends State<ScannerScreen> {
                 if (usbSupported)
                   FloatingActionButton.extended(
                     onPressed: () {
-                      debugPrint(
-                        'ScannerScreen: USB selected, opening UsbScreen',
+                      appLogger.info(
+                        'USB selected, opening UsbScreen',
+                        tag: 'ScannerScreen',
                       );
                       Navigator.of(context).push(
                         MaterialPageRoute(builder: (_) => const UsbScreen()),
@@ -153,8 +155,9 @@ class _ScannerScreenState extends State<ScannerScreen> {
                           } else {
                             unawaited(
                               connector.startScan().catchError((e) {
-                                debugPrint(
-                                  "Scanner screen startScan error: $e",
+                                appLogger.warn(
+                                  'startScan error: $e',
+                                  tag: 'ScannerScreen',
                                 );
                               }),
                             );
diff --git a/lib/screens/usb_screen.dart b/lib/screens/usb_screen.dart
index 8ee739b..5c4dfb1 100644
--- a/lib/screens/usb_screen.dart
+++ b/lib/screens/usb_screen.dart
@@ -8,6 +8,7 @@ import 'package:provider/provider.dart';
 import '../connector/meshcore_connector.dart';
 import '../connector/meshcore_connector_usb.dart';
 import '../l10n/l10n.dart';
+import '../utils/app_logger.dart';
 import '../utils/platform_info.dart';
 import '../utils/usb_port_labels.dart';
 import 'contacts_screen.dart';
@@ -109,7 +110,7 @@ class _UsbScreenState extends State<UsbScreen> {
         leading: IconButton(
           icon: const Icon(Icons.arrow_back),
           onPressed: () {
-            debugPrint('UsbScreen: back button pressed');
+            appLogger.info('Back button pressed', tag: 'UsbScreen');
             Navigator.of(context).maybePop();
           },
         ),
@@ -124,8 +125,9 @@ class _UsbScreenState extends State<UsbScreen> {
               PlatformInfo.isIOS)
             TextButton.icon(
               onPressed: () {
-                debugPrint(
-                  'UsbScreen: Bluetooth selected, opening ScannerScreen',
+                appLogger.info(
+                  'Bluetooth selected, opening ScannerScreen',
+                  tag: 'UsbScreen',
                 );
                 Navigator.of(context).pushReplacement(
                   MaterialPageRoute(builder: (_) => const ScannerScreen()),
@@ -218,8 +220,9 @@ class _UsbScreenState extends State<UsbScreen> {
                             onPressed: _isLoadingPorts || _isConnecting
                                 ? null
                                 : () {
-                                    debugPrint(
-                                      'UsbScreen: refresh ports pressed',
+                                    appLogger.info(
+                                      'Refresh ports pressed',
+                                      tag: 'UsbScreen',
                                     );
                                     _loadPorts();
                                   },
@@ -234,8 +237,9 @@ class _UsbScreenState extends State<UsbScreen> {
                                   final rawPortName = normalizeUsbPortName(
                                     _selectedPort!,
                                   );
-                                  debugPrint(
-                                    'UsbScreen: connect pressed for $_selectedPort (raw: $rawPortName)',
+                                  appLogger.info(
+                                    'Connect pressed for $_selectedPort (raw: $rawPortName)',
+                                    tag: 'UsbScreen',
                                   );
                                   _connectSelectedPort();
                                 }
@@ -262,8 +266,9 @@ class _UsbScreenState extends State<UsbScreen> {
                               onPressed: _isLoadingPorts || _isConnecting
                                   ? null
                                   : () {
-                                      debugPrint(
-                                        'UsbScreen: refresh ports pressed',
+                                      appLogger.info(
+                                        'Refresh ports pressed',
+                                        tag: 'UsbScreen',
                                       );
                                       _loadPorts();
                                     },
@@ -280,8 +285,9 @@ class _UsbScreenState extends State<UsbScreen> {
                                     final rawPortName = normalizeUsbPortName(
                                       _selectedPort!,
                                     );
-                                    debugPrint(
-                                      'UsbScreen: connect pressed for $_selectedPort (raw: $rawPortName)',
+                                    appLogger.info(
+                                      'Connect pressed for $_selectedPort (raw: $rawPortName)',
+                                      tag: 'UsbScreen',
                                     );
                                     _connectSelectedPort();
                                   }
@@ -413,7 +419,7 @@ class _UsbScreenState extends State<UsbScreen> {
                       _selectedPort = port;
                       _errorText = null;
                     });
-                    debugPrint('UsbScreen: selected port $port');
+                    appLogger.info('Selected port $port', tag: 'UsbScreen');
                   },
             leading: Icon(
               Icons.usb,
@@ -511,8 +517,9 @@ class _UsbScreenState extends State<UsbScreen> {
     try {
       await _usbConnector.connect(portName: rawPortName);
     } catch (error, stackTrace) {
-      debugPrint(
-        'UsbScreen: connect failed for $rawPortName: $error\n$stackTrace',
+      appLogger.error(
+        'Connect failed for $rawPortName: $error\n$stackTrace',
+        tag: 'UsbScreen',
       );
       if (!mounted) return;
       setState(() {
diff --git a/lib/services/usb_serial_service_native.dart b/lib/services/usb_serial_service_native.dart
index 66de3ab..f758a1f 100644
--- a/lib/services/usb_serial_service_native.dart
+++ b/lib/services/usb_serial_service_native.dart
@@ -135,7 +135,6 @@ class UsbSerialService {
       } on PlatformException catch (error) {
         _status = UsbSerialStatus.disconnected;
         final msg = error.message ?? error.code;
-        debugPrint('[USB Serial] Android connect failed: $msg');
         _debugLogService?.error(
           'Android connect failed: $msg',
           tag: 'USB Serial',
@@ -180,7 +179,6 @@ class UsbSerialService {
           if (openStatus != FlOpenStatus.open) {
             final msg =
                 'Failed to open USB port $candidate (status: $openStatus)';
-            debugPrint('[USB Serial] $msg');
             _debugLogService?.error(msg, tag: 'USB Serial');
             // Not a FlSerialException — treat as terminal failure
             _status = UsbSerialStatus.disconnected;
@@ -204,9 +202,6 @@ class UsbSerialService {
         } on FlSerialException catch (error) {
           // The native fl_open() already called fl_close() on failure
           // internally, so no extra cleanup is needed here for this candidate.
-          debugPrint(
-            '[USB Serial] Failed to open $candidate: ${error.msg} (code ${error.error})',
-          );
           _debugLogService?.warn(
             'Failed to open $candidate: ${error.msg} (code ${error.error})',
             tag: 'USB Serial',
@@ -215,11 +210,8 @@ class UsbSerialService {
           // Try next candidate
         } catch (error, stackTrace) {
           _status = UsbSerialStatus.disconnected;
-          debugPrint(
-            '[USB Serial] Unexpected error opening $candidate: $error\n$stackTrace',
-          );
           _debugLogService?.error(
-            'Unexpected error opening $candidate: $error',
+            'Unexpected error opening $candidate: $error\n$stackTrace',
             tag: 'USB Serial',
           );
           rethrow;
@@ -232,7 +224,6 @@ class UsbSerialService {
         final msg = lastError != null
             ? 'Failed to open USB port $primary: ${lastError.msg} (code ${lastError.error})'
             : 'Failed to open USB port $primary';
-        debugPrint('[USB Serial] $msg');
         _debugLogService?.error(msg, tag: 'USB Serial');
         throw StateError(msg);
       }