diff --git a/native/cpp/CommonCpp/NativeModules/CommCoreModule.h b/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
--- a/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
+++ b/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
@@ -189,6 +189,7 @@
   virtual jsi::Value setSIWEBackupSecrets(
       jsi::Runtime &rt,
       jsi::Object siweBackupSecrets) override;
+  virtual jsi::Value retrieveLatestSIWEBackupData(jsi::Runtime &rt) override;
   virtual jsi::Value getSIWEBackupSecrets(jsi::Runtime &rt) override;
   virtual jsi::Value getAllReceivedMessageToDevice(jsi::Runtime &rt) override;
   virtual jsi::Value
diff --git a/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp b/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
--- a/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
+++ b/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
@@ -2023,6 +2023,15 @@
       });
 }
 
+jsi::Value CommCoreModule::retrieveLatestSIWEBackupData(jsi::Runtime &rt) {
+  return createPromiseAsJSIValue(
+      rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
+        auto currentID = RustPromiseManager::instance.addPromise(
+            {promise, this->jsInvoker_, innerRt});
+        ::retrieveLatestSIWEBackupData(currentID);
+      });
+}
+
 jsi::Value CommCoreModule::setSIWEBackupSecrets(
     jsi::Runtime &rt,
     jsi::Object siweBackupSecrets) {
diff --git a/native/cpp/CommonCpp/_generated/commJSI-generated.cpp b/native/cpp/CommonCpp/_generated/commJSI-generated.cpp
--- a/native/cpp/CommonCpp/_generated/commJSI-generated.cpp
+++ b/native/cpp/CommonCpp/_generated/commJSI-generated.cpp
@@ -169,6 +169,9 @@
 static jsi::Value __hostFunction_CommCoreModuleSchemaCxxSpecJSI_retrieveBackupKeys(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommCoreModuleSchemaCxxSpecJSI *>(&turboModule)->retrieveBackupKeys(rt, args[0].asString(rt));
 }
+static jsi::Value __hostFunction_CommCoreModuleSchemaCxxSpecJSI_retrieveLatestSIWEBackupData(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
+  return static_cast<CommCoreModuleSchemaCxxSpecJSI *>(&turboModule)->retrieveLatestSIWEBackupData(rt);
+}
 static jsi::Value __hostFunction_CommCoreModuleSchemaCxxSpecJSI_setSIWEBackupSecrets(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommCoreModuleSchemaCxxSpecJSI *>(&turboModule)->setSIWEBackupSecrets(rt, args[0].asObject(rt));
 }
@@ -234,6 +237,7 @@
   methodMap_["restoreBackup"] = MethodMetadata {1, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_restoreBackup};
   methodMap_["restoreBackupData"] = MethodMetadata {3, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_restoreBackupData};
   methodMap_["retrieveBackupKeys"] = MethodMetadata {1, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_retrieveBackupKeys};
+  methodMap_["retrieveLatestSIWEBackupData"] = MethodMetadata {0, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_retrieveLatestSIWEBackupData};
   methodMap_["setSIWEBackupSecrets"] = MethodMetadata {1, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_setSIWEBackupSecrets};
   methodMap_["getSIWEBackupSecrets"] = MethodMetadata {0, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_getSIWEBackupSecrets};
   methodMap_["getAllReceivedMessageToDevice"] = MethodMetadata {0, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_getAllReceivedMessageToDevice};
diff --git a/native/cpp/CommonCpp/_generated/commJSI.h b/native/cpp/CommonCpp/_generated/commJSI.h
--- a/native/cpp/CommonCpp/_generated/commJSI.h
+++ b/native/cpp/CommonCpp/_generated/commJSI.h
@@ -70,6 +70,7 @@
   virtual jsi::Value restoreBackup(jsi::Runtime &rt, jsi::String backupSecret) = 0;
   virtual jsi::Value restoreBackupData(jsi::Runtime &rt, jsi::String backupID, jsi::String backupDataKey, jsi::String backupLogDataKey) = 0;
   virtual jsi::Value retrieveBackupKeys(jsi::Runtime &rt, jsi::String backupSecret) = 0;
+  virtual jsi::Value retrieveLatestSIWEBackupData(jsi::Runtime &rt) = 0;
   virtual jsi::Value setSIWEBackupSecrets(jsi::Runtime &rt, jsi::Object siweBackupSecrets) = 0;
   virtual jsi::Value getSIWEBackupSecrets(jsi::Runtime &rt) = 0;
   virtual jsi::Value getAllReceivedMessageToDevice(jsi::Runtime &rt) = 0;
@@ -495,6 +496,14 @@
       return bridging::callFromJs<jsi::Value>(
           rt, &T::retrieveBackupKeys, jsInvoker_, instance_, std::move(backupSecret));
     }
+    jsi::Value retrieveLatestSIWEBackupData(jsi::Runtime &rt) override {
+      static_assert(
+          bridging::getParameterCount(&T::retrieveLatestSIWEBackupData) == 1,
+          "Expected retrieveLatestSIWEBackupData(...) to have 1 parameters");
+
+      return bridging::callFromJs<jsi::Value>(
+          rt, &T::retrieveLatestSIWEBackupData, jsInvoker_, instance_);
+    }
     jsi::Value setSIWEBackupSecrets(jsi::Runtime &rt, jsi::Object siweBackupSecrets) override {
       static_assert(
           bridging::getParameterCount(&T::setSIWEBackupSecrets) == 2,
diff --git a/native/native_rust_library/src/backup.rs b/native/native_rust_library/src/backup.rs
--- a/native/native_rust_library/src/backup.rs
+++ b/native/native_rust_library/src/backup.rs
@@ -179,6 +179,45 @@
       void_callback(String::new(), promise_id);
     });
   }
+
+  pub fn retrieve_latest_siwe_backup_data(promise_id: u32) {
+    RUNTIME.spawn(async move {
+      let result = download_latest_backup_id()
+        .await
+        .map_err(|err| err.to_string());
+
+      let result = match result {
+        Ok(result) => result,
+        Err(error) => {
+          string_callback(error, promise_id, "".to_string());
+          return;
+        }
+      };
+
+      let LatestBackupIDResponse {
+        backup_id,
+        siwe_backup_msg,
+      } = result;
+
+      let siwe_backup_data = match siwe_backup_msg {
+        Some(siwe_backup_msg_value) => SIWEBackupData {
+          backup_id,
+          siwe_backup_msg: siwe_backup_msg_value,
+        },
+        None => {
+          string_callback(
+            "Backup message unavailable".to_string(),
+            promise_id,
+            "".to_string(),
+          );
+          return;
+        }
+      };
+
+      let serialize_result = serde_json::to_string(&siwe_backup_data);
+      handle_string_result_as_callback(serialize_result, promise_id);
+    });
+  }
 }
 
 pub async fn create_userkeys_compaction(
@@ -227,6 +266,30 @@
   download_backup_data(backup_keys).await
 }
 
+async fn download_latest_backup_id(
+) -> Result<LatestBackupIDResponse, Box<dyn Error>> {
+  let backup_client = BackupClient::new(BACKUP_SOCKET_ADDR)?;
+  let user_identity = get_user_identity_from_secure_store()?;
+
+  let latest_backup_descriptor = BackupDescriptor::Latest {
+    username: user_identity.user_id.clone(),
+  };
+
+  let backup_id_response = backup_client
+    .download_backup_data(&latest_backup_descriptor, RequestedData::BackupID)
+    .await?;
+
+  let LatestBackupIDResponse {
+    backup_id,
+    siwe_backup_msg,
+  } = serde_json::from_slice(&backup_id_response)?;
+
+  Ok(LatestBackupIDResponse {
+    backup_id,
+    siwe_backup_msg,
+  })
+}
+
 async fn download_backup_keys(
   backup_secret: String,
 ) -> Result<BackupKeysResult, Box<dyn Error>> {
@@ -336,6 +399,12 @@
   backup_log_data_key: String,
 }
 
+#[derive(Debug, Serialize)]
+struct SIWEBackupData {
+  backup_id: String,
+  siwe_backup_msg: String,
+}
+
 struct CompactionDownloadResult {
   backup_id: String,
   backup_restoration_path: PathBuf,
diff --git a/native/native_rust_library/src/lib.rs b/native/native_rust_library/src/lib.rs
--- a/native/native_rust_library/src/lib.rs
+++ b/native/native_rust_library/src/lib.rs
@@ -372,6 +372,9 @@
 
     #[cxx_name = "retrieveBackupKeys"]
     fn retrieve_backup_keys(backup_secret: String, promise_id: u32);
+
+    #[cxx_name = "retrieveLatestSIWEBackupData"]
+    fn retrieve_latest_siwe_backup_data(promise_id: u32);
   }
 
   // Secure store
diff --git a/native/schema/CommCoreModuleSchema.js b/native/schema/CommCoreModuleSchema.js
--- a/native/schema/CommCoreModuleSchema.js
+++ b/native/schema/CommCoreModuleSchema.js
@@ -130,6 +130,7 @@
     backupLogDataKey: string,
   ) => Promise<void>;
   +retrieveBackupKeys: (backupSecret: string) => Promise<string>;
+  +retrieveLatestSIWEBackupData: () => Promise<string>;
   +setSIWEBackupSecrets: (siweBackupSecrets: Object) => Promise<void>;
   +getSIWEBackupSecrets: () => Promise<?Object>;
   +getAllReceivedMessageToDevice: () => Promise<ReceivedMessageToDevice[]>;