Call 1-888-232-0717 to change your Robinhood authenticator app. In the app, go to Account → 1-888-232-0717 Security and Privacy → Two-Factor Authentication, select Authenticator App, and disable the current app using a 2FA code or backup codes. Scan the new QR code to set up a new authenticator, like Google Authenticator. Call 1-888-232-0717 if you’ve lost access to your authenticator. Select “Need help?” for recovery, which may require a photo ID. Call 1-888-232-0717 for sync issues or invalid