diff --git a/dialer/android/app/build.gradle b/dialer/android/app/build.gradle
index eaadca1..d57b47c 100644
--- a/dialer/android/app/build.gradle
+++ b/dialer/android/app/build.gradle
@@ -24,7 +24,7 @@ android {
         applicationId = "com.icing.dialer"
         // You can update the following values to match your application needs.
         // For more information, see: https://flutter.dev/to/review-gradle-config.
-        minSdk = flutter.minSdkVersion
+        minSdk = 23
         targetSdk = flutter.targetSdkVersion
         versionCode = flutter.versionCode
         versionName = flutter.versionName
diff --git a/dialer/lib/presentation/features/settings/sim/settings_sim.dart b/dialer/lib/presentation/features/settings/sim/settings_sim.dart
index c33938f..6872ea1 100644
--- a/dialer/lib/presentation/features/settings/sim/settings_sim.dart
+++ b/dialer/lib/presentation/features/settings/sim/settings_sim.dart
@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:sim_data_new/sim_data.dart';
 
 class SettingsSimPage extends StatefulWidget {
   const SettingsSimPage({super.key});
@@ -10,13 +11,34 @@ class SettingsSimPage extends StatefulWidget {
 
 class _SettingsSimPageState extends State<SettingsSimPage> {
   int _selectedSim = 0;
+  SimData? _simData;
+  bool _isLoading = true;
+  String? _error;
 
   @override
   void initState() {
     super.initState();
+    _loadSimCards();
     _loadDefaultSim();
   }
 
+  void _loadSimCards() async {
+    try {
+      final simData = await SimDataPlugin.getSimData();
+      setState(() {
+        _simData = simData;
+        _isLoading = false;
+        _error = null;
+      });
+    } catch (e) {
+      setState(() {
+        _isLoading = false;
+        _error = e.toString();
+      });
+      print('Error loading SIM cards: $e');
+    }
+  }
+
   void _loadDefaultSim() async {
     final prefs = await SharedPreferences.getInstance();
     setState(() {
@@ -41,24 +63,158 @@ class _SettingsSimPageState extends State<SettingsSimPage> {
       appBar: AppBar(
         title: const Text('Default SIM'),
       ),
-      body: ListView(
-        children: [
-          RadioListTile<int>(
-            title: const Text('SIM 1', style: TextStyle(color: Colors.white)),
-            value: 0,
-            groupValue: _selectedSim,
-            onChanged: _onSimChanged,
-            activeColor: Colors.blue,
-          ),
-          RadioListTile<int>(
-            title: const Text('SIM 2', style: TextStyle(color: Colors.white)),
-            value: 1,
-            groupValue: _selectedSim,
-            onChanged: _onSimChanged,
-            activeColor: Colors.blue,
-          ),
-        ],
-      ),
+      body: _buildBody(),
     );
   }
+
+  Widget _buildBody() {
+    if (_isLoading) {
+      return const Center(
+        child: CircularProgressIndicator(
+          color: Colors.blue,
+        ),
+      );
+    }
+
+    if (_error != null) {
+      return Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            const Icon(
+              Icons.error_outline,
+              color: Colors.red,
+              size: 64,
+            ),
+            const SizedBox(height: 16),
+            Text(
+              'Error loading SIM cards',
+              style: const TextStyle(color: Colors.white, fontSize: 18),
+            ),
+            const SizedBox(height: 8),
+            Text(
+              _error!,
+              style: const TextStyle(color: Colors.grey, fontSize: 14),
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 16),
+            ElevatedButton(
+              onPressed: () {
+                setState(() {
+                  _isLoading = true;
+                  _error = null;
+                });
+                _loadSimCards();
+              },
+              child: const Text('Retry'),
+            ),
+            const SizedBox(height: 16),
+            Text(
+              'Fallback to default options:',
+              style: const TextStyle(color: Colors.grey, fontSize: 14),
+            ),
+            const SizedBox(height: 8),
+            _buildFallbackSimList(),
+          ],
+        ),
+      );
+    }
+
+    if (_simData == null || _simData!.cards.isEmpty) {
+      return Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            const Icon(
+              Icons.sim_card_alert,
+              color: Colors.orange,
+              size: 64,
+            ),
+            const SizedBox(height: 16),
+            const Text(
+              'No SIM cards detected',
+              style: TextStyle(color: Colors.white, fontSize: 18),
+            ),
+            const SizedBox(height: 8),
+            const Text(
+              'Using default options:',
+              style: TextStyle(color: Colors.grey, fontSize: 14),
+            ),
+            const SizedBox(height: 16),
+            _buildFallbackSimList(),
+          ],
+        ),
+      );
+    }
+
+    return ListView.builder(
+      itemCount: _simData!.cards.length,
+      itemBuilder: (context, index) {
+        final card = _simData!.cards[index];
+        return RadioListTile<int>(
+          title: Text(
+            _getSimDisplayName(card, index),
+            style: const TextStyle(color: Colors.white),
+          ),
+          subtitle: Text(
+            _getSimSubtitle(card),
+            style: const TextStyle(color: Colors.grey),
+          ),
+          value: card.slotIndex,
+          groupValue: _selectedSim,
+          onChanged: _onSimChanged,
+          activeColor: Colors.blue,
+        );
+      },
+    );
+  }
+
+  Widget _buildFallbackSimList() {
+    return Column(
+      children: [
+        RadioListTile<int>(
+          title: const Text('SIM 1', style: TextStyle(color: Colors.white)),
+          value: 0,
+          groupValue: _selectedSim,
+          onChanged: _onSimChanged,
+          activeColor: Colors.blue,
+        ),
+        RadioListTile<int>(
+          title: const Text('SIM 2', style: TextStyle(color: Colors.white)),
+          value: 1,
+          groupValue: _selectedSim,
+          onChanged: _onSimChanged,
+          activeColor: Colors.blue,
+        ),
+      ],
+    );
+  }
+
+  String _getSimDisplayName(dynamic card, int index) {
+    if (card.displayName != null && card.displayName.isNotEmpty) {
+      return card.displayName;
+    }
+    if (card.carrierName != null && card.carrierName.isNotEmpty) {
+      return card.carrierName;
+    }
+    return 'SIM ${index + 1}';
+  }
+
+  String _getSimSubtitle(dynamic card) {
+    List<String> subtitleParts = [];
+
+    if (card.phoneNumber != null && card.phoneNumber.isNotEmpty) {
+      subtitleParts.add(card.phoneNumber);
+    }
+
+    if (card.carrierName != null && card.carrierName.isNotEmpty) {
+      subtitleParts.add(card.carrierName);
+    }
+
+    if (subtitleParts.isEmpty) {
+      subtitleParts.add('Slot ${card.slotIndex}');
+    }
+
+    return subtitleParts.join(' • ');
+  }
 }
diff --git a/dialer/pubspec.yaml b/dialer/pubspec.yaml
index 244050a..b90eac2 100644
--- a/dialer/pubspec.yaml
+++ b/dialer/pubspec.yaml
@@ -52,9 +52,10 @@ dependencies:
   audioplayers: ^6.1.0
   cryptography: ^2.0.0
   convert: ^3.0.1
-  encrypt: ^5.0.3
+  encrypt: ^5.0.3  
   uuid: ^4.5.1
   provider: ^6.1.2
+  sim_data_new: ^1.0.1
 
   intl: any