diff --git a/apps/mobile/src/components/account/delete-account-section.tsx b/apps/mobile/src/components/account/delete-account-section.tsx
index 12a360f0..aee324d1 100644
--- a/apps/mobile/src/components/account/delete-account-section.tsx
+++ b/apps/mobile/src/components/account/delete-account-section.tsx
@@ -36,6 +36,10 @@ export function DeleteAccountSection(): React.ReactNode {
         Alert.alert(t('deleteAccountMismatch'));
         return;
       }
+      if (outcome.kind === 'unknown') {
+        Alert.alert(t('deleteUnknown'));
+        return;
+      }
       if (outcome.kind === 'failed') {
         Alert.alert(failureMessage(outcome.code));
         return;
diff --git a/apps/mobile/src/runtime/cloud/__tests__/deletion.test.ts b/apps/mobile/src/runtime/cloud/__tests__/deletion.test.ts
index 71367b81..efe788ef 100644
--- a/apps/mobile/src/runtime/cloud/__tests__/deletion.test.ts
+++ b/apps/mobile/src/runtime/cloud/__tests__/deletion.test.ts
@@ -272,12 +272,16 @@ describe('deleteAccount', () => {
     expect(result).toEqual({ kind: 'pending', reference: 'ref-1' });
   });
 
-  it('treats a thrown network error as failed — never assumes acceptance', async () => {
+  it('treats a thrown network error as unknown and reports the transport failure', async () => {
     mocks.fetchDelete.mockRejectedValueOnce(new Error('offline'));
 
     const result = await deleteAccount();
 
-    expect(result).toEqual({ kind: 'failed' });
+    expect(result).toEqual({ kind: 'unknown' });
+    expect(mocks.captureException).toHaveBeenCalledWith(
+      expect.any(Error),
+      expect.objectContaining({ tags: { account_deletion_stage: 'transport' } }),
+    );
   });
 
   it('treats an unparseable success response as pending rather than completed', async () => {
diff --git a/apps/mobile/src/runtime/cloud/deletion.ts b/apps/mobile/src/runtime/cloud/deletion.ts
index 98131a69..dd5d8e00 100644
--- a/apps/mobile/src/runtime/cloud/deletion.ts
+++ b/apps/mobile/src/runtime/cloud/deletion.ts
@@ -24,8 +24,9 @@ export type AccountDeletionOutcome =
   | { kind: 'apple-device-required' }
   /** Browser re-authentication signed in a different Cloud account. */
   | { kind: 'account-mismatch' }
-  /** The delete request failed before any state changed (network error, or
-   * a 409 pre-check) — the account is untouched. `code` is the server's biz
+  /** No HTTP response arrived, so the client cannot know whether deletion crossed PONR. */
+  | { kind: 'unknown' }
+  /** The server rejected the request before any state changed. `code` is the server's biz
    * code when available (e.g. `ACCOUNT_DELETION_SOLE_ORGANIZATION_OWNER`),
    * for copy that names the specific reason. */
   | { kind: 'failed'; code?: string };
@@ -121,8 +122,7 @@ export async function deleteAccount(): Promise<AccountDeletionOutcome> {
     });
   } catch (error) {
     reportFailure('transport', error);
-    // Without an HTTP response, never claim that the server accepted deletion.
-    return { kind: 'failed' };
+    return { kind: 'unknown' };
   }
 
   if (response.error) {
diff --git a/packages/presentation/i18n/src/locales/en.ts b/packages/presentation/i18n/src/locales/en.ts
index abb19a54..02a18174 100644
--- a/packages/presentation/i18n/src/locales/en.ts
+++ b/packages/presentation/i18n/src/locales/en.ts
@@ -1304,6 +1304,8 @@ export const en = {
         'This account must be confirmed on a device that supports Sign in with Apple.',
       deleteAccountMismatch:
         'A different account was signed in. Sign in again with the account you want to delete.',
+      deleteUnknown:
+        'We couldn’t confirm whether your deletion request was received. Check your account status when you’re back online.',
       deleteFailed: 'Could not delete your account. Please try again.',
       deleteSoleOwner:
         'You own a shared organization with other members. Transfer ownership before deleting your account.',
diff --git a/packages/presentation/i18n/src/locales/zh-cn.ts b/packages/presentation/i18n/src/locales/zh-cn.ts
index aca53670..68d11d11 100644
--- a/packages/presentation/i18n/src/locales/zh-cn.ts
+++ b/packages/presentation/i18n/src/locales/zh-cn.ts
@@ -1264,6 +1264,7 @@ export const zhCN = {
       deleteReauthenticationFailed: '无法确认身份，请重试。',
       deleteAppleDeviceRequired: '此账号必须在支持「通过 Apple 登录」的设备上确认身份后删除。',
       deleteAccountMismatch: '刚才登录的是另一个账号。请重新登录你想删除的账号。',
+      deleteUnknown: '无法确认删除请求是否已收到。请在网络恢复后检查账号状态。',
       deleteFailed: '删除账号失败，请重试。',
       deleteSoleOwner: '你是某个共享组织的唯一所有者。请先转移所有权，再删除账号。',
       deleteEmergencyHold: '该账号暂不支持自助删除，请联系支持完成删除。',