diff --git a/apps/rebreak-native/lib/deviceId.ts b/apps/rebreak-native/lib/deviceId.ts
index 4be7e24..fbeb576 100644
--- a/apps/rebreak-native/lib/deviceId.ts
+++ b/apps/rebreak-native/lib/deviceId.ts
@@ -1,6 +1,7 @@
 import { Platform } from 'react-native';
 import AsyncStorage from '@react-native-async-storage/async-storage';
 import * as Application from 'expo-application';
+import * as Device from 'expo-device';
 import Constants from 'expo-constants';
 
 const STORAGE_KEY = 'rebreak_device_id';
@@ -63,17 +64,22 @@ export async function getDeviceInfo(): Promise<DeviceInfo> {
   const deviceId = await getDeviceId();
   const platform = getPlatformName();
 
+  // expo-device returnt zuverlässige Hardware-Infos auf realen Devices.
+  // Constants ist Fallback für Simulator/Web (Device-APIs sind dort null).
   const name =
+    Device.deviceName ||
     (Constants as any).deviceName ||
-    Constants.platform?.ios?.model ||
+    Device.modelName ||
     platform;
 
   const model =
+    Device.modelName ||
+    Device.modelId ||
     Constants.platform?.ios?.model ||
-    Constants.platform?.android?.versionCode?.toString() ||
     platform;
 
   const osVersion =
+    Device.osVersion ||
     Constants.platform?.ios?.systemVersion?.toString() ||
     (Platform.Version as string | number)?.toString() ||
     '';
diff --git a/apps/rebreak-native/package.json b/apps/rebreak-native/package.json
index 2d67df9..4e02045 100644
--- a/apps/rebreak-native/package.json
+++ b/apps/rebreak-native/package.json
@@ -32,6 +32,7 @@
     "expo-clipboard": "^8.0.8",
     "expo-constants": "~18.0.13",
     "expo-dev-client": "~6.0.21",
+    "expo-device": "^55.0.17",
     "expo-file-system": "~19.0.22",
     "expo-font": "~14.0.11",
     "expo-haptics": "^15.0.8",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 79c1b0a..87b6a51 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -180,6 +180,9 @@ importers:
       expo-dev-client:
         specifier: ~6.0.21
         version: 6.0.21(expo@54.0.34)
+      expo-device:
+        specifier: ^55.0.17
+        version: 55.0.17(expo@54.0.34)
       expo-file-system:
         specifier: ~19.0.22
         version: 19.0.22(expo@54.0.34)(react-native@0.81.5(@babel/core@7.29.0)(@types/react@19.2.14)(react@19.1.0))
@@ -5526,6 +5529,11 @@ packages:
     peerDependencies:
       expo: '*'
 
+  expo-device@55.0.17:
+    resolution: {integrity: sha512-ZcMrSeD0zWooosm5Bet5qluxUrhw+NPgcMmN6ySVF7cm4K8Bvh4KPogJePbI1qfhFAiJWcWeV9e/2uewb9ktfw==}
+    peerDependencies:
+      expo: '*'
+
   expo-file-system@19.0.22:
     resolution: {integrity: sha512-l9pgahSc7sJD0bP9vBNeXvZjy8QKDpVHVxWmei/ESQOrzmoj5BidziqLVsyZdxsi+PfdbTtttLTAmddH/JafYA==}
     peerDependencies:
@@ -8778,6 +8786,10 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
+  ua-parser-js@0.7.41:
+    resolution: {integrity: sha512-O3oYyCMPYgNNHuO7Jjk3uacJWZF8loBgwrfd/5LE/HyZ3lUIOdniQ7DNXJcIgZbwioZxk0fLfI4EVnetdiX5jg==}
+    hasBin: true
+
   ufo@1.6.1:
     resolution: {integrity: sha512-9a4/uxlTWJ4+a5i0ooc1rU7C7YOw3wT+UGqdeNNHWnOF9qcMBgLRS+4IYUqbczewFx4mLEig6gawh7X6mFlEkA==}
 
@@ -15519,6 +15531,11 @@ snapshots:
       expo: 54.0.34(@babel/core@7.29.0)(@expo/metro-runtime@6.1.2)(expo-router@6.0.23)(react-native@0.81.5(@babel/core@7.29.0)(@types/react@19.2.14)(react@19.1.0))(react@19.1.0)(typescript@5.8.3)
       expo-dev-menu-interface: 2.0.0(expo@54.0.34)
 
+  expo-device@55.0.17(expo@54.0.34):
+    dependencies:
+      expo: 54.0.34(@babel/core@7.29.0)(@expo/metro-runtime@6.1.2)(expo-router@6.0.23)(react-native@0.81.5(@babel/core@7.29.0)(@types/react@19.2.14)(react@19.1.0))(react@19.1.0)(typescript@5.8.3)
+      ua-parser-js: 0.7.41
+
   expo-file-system@19.0.22(expo@54.0.34)(react-native@0.81.5(@babel/core@7.29.0)(@types/react@19.2.14)(react@19.1.0)):
     dependencies:
       expo: 54.0.34(@babel/core@7.29.0)(@expo/metro-runtime@6.1.2)(expo-router@6.0.23)(react-native@0.81.5(@babel/core@7.29.0)(@types/react@19.2.14)(react@19.1.0))(react@19.1.0)(typescript@5.8.3)
@@ -19505,6 +19522,8 @@ snapshots:
 
   typescript@5.9.3: {}
 
+  ua-parser-js@0.7.41: {}
+
   ufo@1.6.1: {}
 
   ufo@1.6.4: {}