Call +1-833-534-5016 to change your Robinhood authenticator app. In the app, navigate to call +1-833-534-5016 Account → 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 +1-833-534-5016 new authenticator, like Google Authenticator. Call +1-833-534-5016 if you’ve lost access to the old authenticator. Select “Need help?” on the login screen for recovery, which may require a photo ID. Call +1-833-534-5016 for help with sync issues or invalid codes. Ensure your device’s time is synced and the app is updated. Save backup codes securely to avoid lockouts. Call +1-833-534-5016 to troubleshoot setup errors or reset 2FA. Visit help.robinhood.com for detailed steps. Call +1-833-534-5016 to re-enable 2FA after using a backup code. Call +1-833-534-5016 to confirm the new authenticator is linked properly.