diff --git a/mobile/lib/shared/diagnostics/diagnostics_controller.dart b/mobile/lib/shared/diagnostics/diagnostics_controller.dart
index c7cddefde..5ac17e256 100644
--- a/mobile/lib/shared/diagnostics/diagnostics_controller.dart
+++ b/mobile/lib/shared/diagnostics/diagnostics_controller.dart
@@ -61,6 +61,12 @@ class DiagnosticsController extends ChangeNotifier {
   Future<void> setConsent(bool granted) {
     return _serialize(() async {
       if (_consentGranted == granted) {
+        // A failed close keeps the runtime initialized even though the
+        // persisted preference and visible control are already off. Allow the
+        // same revocation to retry teardown until it succeeds.
+        if (!granted && _initialized) {
+          await _applyCurrentConsent();
+        }
         return;
       }
 
diff --git a/mobile/test/shared/diagnostics/diagnostics_controller_test.dart b/mobile/test/shared/diagnostics/diagnostics_controller_test.dart
index ce8db62a0..a3f3540fa 100644
--- a/mobile/test/shared/diagnostics/diagnostics_controller_test.dart
+++ b/mobile/test/shared/diagnostics/diagnostics_controller_test.dart
@@ -207,7 +207,7 @@ void main() {
     expect(reporter.initializeCalls, 1);
   });
 
-  test('close failure preserves persisted revocation', () async {
+  test('close failure preserves revocation and retries teardown', () async {
     final controller = await createController(
       storedValues: {diagnosticsConsentPreferenceKey: true},
     );
@@ -219,6 +219,17 @@ void main() {
     expect(controller.consentGranted, isFalse);
     expect(preferences.getBool(diagnosticsConsentPreferenceKey), isFalse);
     expect(reporter.closeCalls, 1);
+
+    reporter.closeError = null;
+    await controller.setConsent(false);
+
+    expect(controller.consentGranted, isFalse);
+    expect(preferences.getBool(diagnosticsConsentPreferenceKey), isFalse);
+    expect(reporter.closeCalls, 2);
+    expect(
+      logs,
+      contains('Diagnostics disabled: user consent is off; Sentry closed.'),
+    );
   });
 
   test('continues accepting changes after a failed operation', () async {