diff --git a/lib/types/identity-service-types.js b/lib/types/identity-service-types.js
--- a/lib/types/identity-service-types.js
+++ b/lib/types/identity-service-types.js
@@ -187,7 +187,7 @@
     deviceList: SignedDeviceList,
     siweSocialProof?: SignedMessage,
     backupSecret: string,
-  ) => Promise<IdentityAuthResult>;
+  ) => Promise<RestoreUserResult>;
   // on native, publishing prekeys to Identity is called directly from C++,
   // there is no need to expose it to JS
   +publishWebPrekeys?: (prekeys: SignedPrekeys) => Promise<void>;
@@ -230,12 +230,23 @@
   +username: string,
   +preRequestUserState?: ?CurrentUserInfo,
 };
+const identityAuthResultValidatorObject = {
+  userID: tUserID,
+  accessToken: t.String,
+  username: t.String,
+  preRequestUserState: t.maybe(currentUserInfoValidator),
+};
 export const identityAuthResultValidator: TInterface<IdentityAuthResult> =
-  tShape<IdentityAuthResult>({
-    userID: tUserID,
-    accessToken: t.String,
-    username: t.String,
-    preRequestUserState: t.maybe(currentUserInfoValidator),
+  tShape<IdentityAuthResult>(identityAuthResultValidatorObject);
+
+export type RestoreUserResult = {
+  ...IdentityAuthResult,
+  +backupID: string,
+};
+export const restoreUserResultValidator: TInterface<RestoreUserResult> =
+  tShape<RestoreUserResult>({
+    ...identityAuthResultValidatorObject,
+    backupID: t.String,
   });
 
 export type IdentityNewDeviceKeyUpload = {
diff --git a/native/account/restore.js b/native/account/restore.js
--- a/native/account/restore.js
+++ b/native/account/restore.js
@@ -153,8 +153,9 @@
       );
 
       //8. Return the result
+      const { backupID: _, ...authResult } = result;
       return {
-        ...result,
+        ...authResult,
         preRequestUserState,
         deviceLists: { [userID]: initialDeviceList },
         usersPlatformDetails: {
diff --git a/native/identity-service/identity-service-context-provider.react.js b/native/identity-service/identity-service-context-provider.react.js
--- a/native/identity-service/identity-service-context-provider.react.js
+++ b/native/identity-service/identity-service-context-provider.react.js
@@ -19,6 +19,7 @@
   deviceOlmOutboundKeysValidator,
   farcasterUsersValidator,
   identityAuthResultValidator,
+  restoreUserResultValidator,
   type IdentityServiceClient,
   ONE_TIME_KEYS_NUMBER,
   type SignedDeviceList,
@@ -627,10 +628,15 @@
           backupSecret,
         );
 
-        return await processAuthResult(
+        const { backupID } = assertWithValidator(
+          JSON.parse(restoreResult),
+          restoreUserResultValidator,
+        );
+        const authResult = await processAuthResult(
           restoreResult,
           primaryIdentityPublicKeys.ed25519,
         );
+        return { backupID, ...authResult };
       },
       uploadKeysForRegisteredDeviceAndLogIn: async (
         userID: string,
diff --git a/native/native_rust_library/src/identity.rs b/native/native_rust_library/src/identity.rs
--- a/native/native_rust_library/src/identity.rs
+++ b/native/native_rust_library/src/identity.rs
@@ -169,6 +169,15 @@
   username: String,
 }
 
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct RestoreUserResult {
+  #[serde(flatten)]
+  auth_result: IdentityAuthResult,
+  #[serde(rename = "backupID")]
+  backup_id: String,
+}
+
 impl From<AuthResponse> for IdentityAuthResult {
   fn from(value: AuthResponse) -> Self {
     let AuthResponse {
diff --git a/native/native_rust_library/src/identity/login.rs b/native/native_rust_library/src/identity/login.rs
--- a/native/native_rust_library/src/identity/login.rs
+++ b/native/native_rust_library/src/identity/login.rs
@@ -11,7 +11,7 @@
 
 use super::{
   IdentityAuthResult, LogInPasswordUserInfo, LogInWalletUserInfo,
-  RestoreUserInfo, PLATFORM_METADATA,
+  RestoreUserInfo, RestoreUserResult, PLATFORM_METADATA,
 };
 use crate::backup::create_ephemeral_user_keys_compaction;
 use crate::utils::jsi_callbacks::handle_string_result_as_callback;
@@ -294,13 +294,14 @@
     Some(user_info.siwe_backup_msg)
   };
 
+  let backup_id = user_info.backup_id;
   let restore_request = RestoreUserRequest {
     user_id: user_info.user_id,
     siwe_message: user_info.siwe_social_proof_message,
     siwe_signature: user_info.siwe_social_proof_signature,
     device_list: user_info.device_list,
     device_key_upload: Some(user_info.device_keys.into()),
-    new_backup_id: user_info.backup_id,
+    new_backup_id: backup_id.clone(),
     encrypted_user_keys: user_keys,
     siwe_backup_msg,
   };
@@ -315,7 +316,11 @@
     .into_inner();
 
   let auth_result = IdentityAuthResult::from(auth_response);
-  Ok(serde_json::to_string(&auth_result)?)
+  let result = RestoreUserResult {
+    auth_result,
+    backup_id,
+  };
+  Ok(serde_json::to_string(&result)?)
 }
 
 async fn upload_secondary_device_keys_and_log_in_helper(