diff --git a/src/screen/FaceAuth.tsx b/src/screen/FaceAuth.tsx
index 4c323ea..69e131a 100644
--- a/src/screen/FaceAuth.tsx
+++ b/src/screen/FaceAuth.tsx
@@ -1,39 +1,43 @@
 import React from 'react';
 import { View, Text, TouchableOpacity, Alert, StyleSheet } from 'react-native';
-import ReactNativeBiometrics from 'react-native-biometrics';
+import ReactNativeBiometrics, { BiometryTypes } from 'react-native-biometrics';
 
 const FaceAuth = () => {
 
     const authenticate = async () => {
-        const rnBiometrics = new ReactNativeBiometrics();
+        try {
+            const rnBiometrics = new ReactNativeBiometrics({
+                allowDeviceCredentials: true, // Android PIN fallback
+            });
 
-        const { available, biometryType } = await rnBiometrics.isSensorAvailable();
+            const result = await rnBiometrics.isSensorAvailable();
+            console.log('Biometric result:', result);
 
-        if (!available) {
-            Alert.alert('Error', 'Biometric authentication not available');
-            return;
-        }
+            const { available, biometryType } = result;
 
-        if (
-            biometryType === ReactNativeBiometrics.FaceID ||
-            biometryType === ReactNativeBiometrics.Biometrics
-        ) {
-            rnBiometrics.simplePrompt({
-                promptMessage: 'Authenticate with Face ID',
-            })
-                .then((resultObject) => {
-                    const { success } = resultObject;
+            if (!available) {
+                Alert.alert('Error', 'Biometric authentication not available');
+                return;
+            }
 
-                    if (success) {
-                        Alert.alert('Success', 'Face authentication successful');
-                        // 👉 navigate / unlock app / allow action
-                    } else {
-                        Alert.alert('Cancelled', 'User cancelled authentication');
-                    }
-                })
-                .catch(() => {
-                    Alert.alert('Error', 'Authentication failed');
+            if (
+                biometryType === BiometryTypes.FaceID ||
+                biometryType === BiometryTypes.Biometrics ||
+                biometryType === BiometryTypes.TouchID
+            ) {
+                const authResult = await rnBiometrics.simplePrompt({
+                    promptMessage: 'Authenticate to continue',
                 });
+
+                if (authResult.success) {
+                    Alert.alert('Success', 'Authentication successful');
+                } else {
+                    Alert.alert('Cancelled', 'Authentication cancelled');
+                }
+            }
+        } catch (error) {
+            console.log('Biometric error:', error);
+            Alert.alert('Error', 'Authentication failed');
         }
     };
 
@@ -54,19 +58,13 @@ const styles = StyleSheet.create({
     container: {
         flex: 1,
         justifyContent: 'center',
-        alignItems: 'center'
+        alignItems: 'center',
     },
     title: {
         fontSize: 20,
-        marginBottom: 20
+        marginBottom: 20,
     },
     button: {
         backgroundColor: '#4CAF50',
         padding: 15,
-        borderRadius: 8
-    },
-    buttonText: {
-        color: '#fff',
-        fontWeight: 'bold'
-    }
-});
+        borderRadius