diff --git a/android/src/main/java/com/adversport/rnaps/RNAPSAdLoaderModule.java b/android/src/main/java/com/adversport/rnaps/RNAPSAdLoaderModule.java
index 182211c..7412c69 100644
--- a/android/src/main/java/com/adversport/rnaps/RNAPSAdLoaderModule.java
+++ b/android/src/main/java/com/adversport/rnaps/RNAPSAdLoaderModule.java
@@ -103,9 +103,26 @@ public void onFailure(AdError adError) {
           break;
       }
 
+      String sdkCodeName = errorCode.name();
+      String sdkMessage = adError.getMessage();
+      if (sdkMessage == null) {
+        sdkMessage = "";
+      }
+      String composedMessage =
+          "Failed to load APS ad (mapped: "
+              + code
+              + ", SDK: "
+              + sdkCodeName
+              + ", ordinal: "
+              + errorCode.ordinal()
+              + ")"
+              + (sdkMessage.isEmpty() ? "" : " — " + sdkMessage);
+
       WritableMap userInfoMap = Arguments.createMap();
       userInfoMap.putString("code", code);
-      userInfoMap.putString("message", adError.getMessage());
+      userInfoMap.putString("message", composedMessage);
+      userInfoMap.putString("sdkCode", sdkCodeName);
+      userInfoMap.putInt("rawValue", errorCode.ordinal());
 
       WritableMap payload = Arguments.createMap();
       payload.putInt("loaderId", loaderId);
@@ -116,8 +133,10 @@ public void onFailure(AdError adError) {
         // Créer une copie pour promise.reject car userInfoMap est déjà utilisé
         WritableMap userInfoCopy = Arguments.createMap();
         userInfoCopy.putString("code", code);
-        userInfoCopy.putString("message", adError.getMessage());
-        promise.reject(code, adError.getMessage(), userInfoCopy);
+        userInfoCopy.putString("message", composedMessage);
+        userInfoCopy.putString("sdkCode", sdkCodeName);
+        userInfoCopy.putInt("rawValue", errorCode.ordinal());
+        promise.reject(code, composedMessage, userInfoCopy);
         promise = null;
       }
     }
diff --git a/example/package.json b/example/package.json
index 1693291..bdd4af9 100644
--- a/example/package.json
+++ b/example/package.json
@@ -13,7 +13,7 @@
     "react": "18.3.1",
     "react-native": "0.77.3",
     "react-native-aps": "link:../",
-    "react-native-google-mobile-ads": "^14.2.0"
+    "react-native-google-mobile-ads": "15.8.3"
   },
   "devDependencies": {
     "@babel/core": "^7.25.2",
diff --git a/example/src/Banner.component.tsx b/example/src/Banner.component.tsx
index cbffe12..8b16348 100644
--- a/example/src/Banner.component.tsx
+++ b/example/src/Banner.component.tsx
@@ -53,7 +53,9 @@ export default function BannerDemo() {
       (error) => {
         setApsBidError(error);
         setBidComplete(true);
-        addEvent(`APS bid failed (code: ${error.code})`);
+        addEvent(
+          `APS bid failed (${error.formatShortLabel()}) — ${error.message}`
+        );
       }
     );
 
@@ -70,7 +72,9 @@ export default function BannerDemo() {
           : new AdError('unknown', String(error?.message ?? error));
         setApsBidError(adError);
         setBidComplete(true);
-        addEvent(`APS bid failed (code: ${adError.code})`);
+        addEvent(
+          `APS bid failed (${adError.formatShortLabel()}) — ${adError.message}`
+        );
       });
     addEvent('APS bid requested');
 
@@ -116,10 +120,15 @@ export default function BannerDemo() {
               <Text style={styles.badgeTextSuccess}>Won</Text>
             </View>
           ) : (
-            <View style={[styles.badge, styles.badgeError]}>
+            <View style={[styles.badge, styles.badgeError, styles.badgeErrorStack]}>
               <Text style={styles.badgeTextError}>
-                Failed ({apsBidError?.code ?? '?'})
+                Failed ({apsBidError?.formatShortLabel() ?? '?'})
               </Text>
+              {!!apsBidError?.message && (
+                <Text style={styles.badgeTextErrorDetail} numberOfLines={3}>
+                  {apsBidError.message}
+                </Text>
+              )}
             </View>
           )}
         </View>
@@ -257,6 +266,18 @@ const styles = StyleSheet.create({
   badgeError: {
     backgroundColor: '#fef2f2',
   },
+  badgeErrorStack: {
+    flexDirection: 'column',
+    alignItems: 'flex-end',
+    maxWidth: '78%',
+    gap: 4,
+  },
+  badgeTextErrorDetail: {
+    fontSize: 11,
+    color: '#b91c1c',
+    fontWeight: '400',
+    textAlign: 'right',
+  },
   badgeTextLoading: {
     fontSize: 13,
     color: '#6366f1',
diff --git a/example/src/Interstitial.component.tsx b/example/src/Interstitial.component.tsx
index a36f1c0..a376012 100644
--- a/example/src/Interstitial.component.tsx
+++ b/example/src/Interstitial.component.tsx
@@ -57,7 +57,9 @@ export default function InterstitialDemo() {
       .catch((error) => {
         if (isAdError(error)) {
           setApsBidError(error);
-          addEvent(`APS bid failed (code: ${error.code})`);
+          addEvent(
+            `APS bid failed (${error.formatShortLabel()}) — ${error.message}`
+          );
         }
         const interstitial = GAMInterstitialAd.createForAdRequest(
           TestIds.GAM_INTERSTITIAL
@@ -137,10 +139,15 @@ export default function InterstitialDemo() {
               <Text style={styles.badgeTextSuccess}>Won</Text>
             </View>
           ) : apsBidError ? (
-            <View style={[styles.badge, styles.badgeError]}>
+            <View style={[styles.badge, styles.badgeError, styles.badgeErrorStack]}>
               <Text style={styles.badgeTextError}>
-                Failed ({apsBidError.code})
+                Failed ({apsBidError.formatShortLabel()})
               </Text>
+              {!!apsBidError.message && (
+                <Text style={styles.badgeTextErrorDetail} numberOfLines={3}>
+                  {apsBidError.message}
+                </Text>
+              )}
             </View>
           ) : (
             <View style={[styles.badge, styles.badgeSuccess]}>
@@ -280,6 +287,18 @@ const styles = StyleSheet.create({
   badgeError: {
     backgroundColor: '#fef2f2',
   },
+  badgeErrorStack: {
+    flexDirection: 'column',
+    alignItems: 'flex-end',
+    maxWidth: '78%',
+    gap: 4,
+  },
+  badgeTextErrorDetail: {
+    fontSize: 11,
+    color: '#b91c1c',
+    fontWeight: '400',
+    textAlign: 'right',
+  },
   badgeTextLoading: {
     fontSize: 13,
     color: '#6366f1',
diff --git a/example/yarn.lock b/example/yarn.lock
index 2ba2645..4f67f40 100644
--- a/example/yarn.lock
+++ b/example/yarn.lock
@@ -4841,7 +4841,7 @@ __metadata:
     react: "npm:18.3.1"
     react-native: "npm:0.77.3"
     react-native-aps: "link:../"
-    react-native-google-mobile-ads: "npm:^14.2.0"
+    react-native-google-mobile-ads: "npm:15.8.3"
     typescript: "npm:^5.0.4"
   languageName: unknown
   linkType: soft
@@ -4852,9 +4852,9 @@ __metadata:
   languageName: node
   linkType: soft
 
-"react-native-google-mobile-ads@npm:^14.2.0":
-  version: 14.11.0
-  resolution: "react-native-google-mobile-ads@npm:14.11.0"
+"react-native-google-mobile-ads@npm:15.8.3":
+  version: 15.8.3
+  resolution: "react-native-google-mobile-ads@npm:15.8.3"
   dependencies:
     "@iabtcf/core": "npm:^1.5.3"
     use-deep-compare-effect: "npm:^1.8.1"
@@ -4863,7 +4863,7 @@ __metadata:
   peerDependenciesMeta:
     expo:
       optional: true
-  checksum: 10c0/5d424081fc14f1da9d495cdf26109fb0d55c5d1599fb651d5117f36357eab0334e61701557046e1f58b84e4cafa480dcf6ac13071641188950fcdcf10f00e2c4
+  checksum: 10c0/444adaa3a852a2acbe799802ba5e1b4cf9b94c5ff07c2e2d0a403084a85120060b5426046e613fe90efe92b222949dbbe5dcd38fd4d25cce70d7e46bad9af8c7
   languageName: node
   linkType: hard
 
diff --git a/ios/RNAPS/RNAPSAdLoaderModule.swift b/ios/RNAPS/RNAPSAdLoaderModule.swift
index 65d1bf8..6d19ec9 100644
--- a/ios/RNAPS/RNAPSAdLoaderModule.swift
+++ b/ios/RNAPS/RNAPSAdLoaderModule.swift
@@ -119,10 +119,19 @@ class RNAPSAdLoaderModule: RCTEventEmitter {
       default: // Use simple default to ensure exhaustiveness
         code = "unknown"
       }
-      let message = String(format: "Failed to load APS ad with code: %@", code)
-      var userInfo = Dictionary<String, String>()
-      userInfo["code"] = code
-      userInfo["message"] = message
+      let sdkLabel = String(describing: error)
+      let message = String(
+        format: "Failed to load APS ad (mapped: %@, APS: %@, rawValue: %d)",
+        code,
+        sdkLabel,
+        error.rawValue
+      )
+      let userInfo: [String: Any] = [
+        "code": code,
+        "message": message,
+        "sdkCode": sdkLabel,
+        "rawValue": error.rawValue,
+      ]
       adLoaderModule.sendEvent(name: RNAPSAdLoaderModule.EVENT_FAILURE, body: [
         "loaderId": loaderId,
         "userInfo": userInfo
diff --git a/src/AdError.ts b/src/AdError.ts
index fd85fec..15aa9b1 100644
--- a/src/AdError.ts
+++ b/src/AdError.ts
@@ -16,19 +16,61 @@
  * along with Foobar. If not, see <https://www.gnu.org/licenses/>.
  */
 
+export type AdErrorExtras = {
+  /** Amazon SDK error label (e.g. iOS `String(describing:)`, Android `ErrorCode.name()`). */
+  sdkCode?: string;
+  /** Raw / ordinal value from the native SDK when available. */
+  rawValue?: number;
+};
+
 /**
- * AdError class
- *
+ * AdError class — normalized `code` from the bridge, plus optional native details for debugging.
  */
 export class AdError extends Error {
-  constructor(readonly code: string, message: string) {
+  readonly code: string;
+  readonly sdkCode?: string;
+  readonly rawValue?: number;
+
+  constructor(code: string, message: string, extras?: AdErrorExtras) {
     super(message);
     this.name = 'AdError';
+    this.code = code;
+    this.sdkCode = extras?.sdkCode;
+    this.rawValue = extras?.rawValue;
+  }
+
+  /** Compact label for UI (badge, logs). */
+  formatShortLabel(): string {
+    const parts = [this.code];
+    if (this.sdkCode) {
+      parts.push(this.sdkCode);
+    }
+    if (this.rawValue !== undefined) {
+      parts.push(`#${this.rawValue}`);
+    }
+    return parts.join(' · ');
   }
 
   static fromNativeError(error: any): AdError {
-    const { code, message } = error.userInfo;
-    return new AdError(code, message);
+    const ui = error?.userInfo;
+    const code = typeof ui?.code === 'string' ? ui.code : 'unknown';
+    const message =
+      typeof ui?.message === 'string' ? ui.message : String(ui?.message ?? '');
+    const sdkCode = typeof ui?.sdkCode === 'string' ? ui.sdkCode : undefined;
+    let rawValue: number | undefined;
+    if (typeof ui?.rawValue === 'number' && !Number.isNaN(ui.rawValue)) {
+      rawValue = ui.rawValue;
+    } else if (typeof ui?.rawValue === 'string' && ui.rawValue !== '') {
+      const n = Number(ui.rawValue);
+      if (!Number.isNaN(n)) {
+        rawValue = n;
+      }
+    }
+    const extras =
+      sdkCode !== undefined || rawValue !== undefined
+        ? { sdkCode, rawValue }
+        : undefined;
+    return new AdError(code, message, extras);
   }
 }