491

Quick Fix

1. Restart your phone. 2. Go to Settings → Apps → <affected app> → Storage → Clear Cache. 3. Update the app or Android OS if an update is available. 4. If the issue persists, reinstall the app.

What it Means

Error 491 is a generic Android system error that occurs when an app or the OS cannot access a required resource. It often shows up as a crash or a “Something went wrong” message.

Possible Causes

• 1
  Missing or revoked app permissions
• 2
  Corrupted app data or cache
• 3
  Out‑of‑date app or Android version
• 4
  Conflicting background services
• 5
  Network or storage issues

Step-by-Step Solutions

1. Restart Device

   A simple reboot clears temporary files and resets services that might be causing the error.

2. Clear App Cache

   Navigate to Settings → Apps → <app> → Storage → Clear Cache to remove corrupted temporary files.

3. Check Permissions

   Ensure the app has all required permissions like Storage, Camera, or Location. Enable them in Settings → Apps → Permissions.

4. Update App and OS

   Open Google Play Store and update the app. Then go to Settings → System → Advanced → System Update to install the latest Android version.

5. Reinstall the App

   Uninstall the app, then reinstall from the Play Store to replace any corrupted files.

6. Reset Network Settings

   Settings → System → Reset options → Reset Wi‑Fi, mobile & Bluetooth to fix network-related triggers.

7. Factory Reset (Last Resort)

   Back up data first. Settings → System → Reset options → Erase all data to clear deep system corruption.