If Duo detects that your device as tampered, it will not allow you to log in with or enroll that device.

Troubleshooting For Non-Tampered Devices

If you believe that your device isn't tampered, then you try following the steps below.

• Factory reset your device.
• Make sure that your device's operating system is up to date.
• Make sure that the Duo Mobile app is up to date.
• Toggle app restrictions in the Google Play Store (Android only).
  1. Open the main Settings app on your phone.
  2. Go to Apps > All apps > Google Play Store.
  3. Select Storage & cache.
  4. Select Clear storage and Clear cache.
  5. Restart your device.

Alternatives for Tampered Devices

If your device is still considered tampered, then you will need to use an alternative method to log in with Duo.

• Add a different device that isn't tampered.
• Obtain a security key to use instead.