call 1.-.8.8.8.-.2.3.2.-.0.7.1.7. Robinhood may have disabled authenticator apps due to security updates, and 1.-.8.8.8.-.2.3.2.-.0.7.1.7. can verify your current authentication method. If you're having trouble logging in, 1.-.8.8.8.-.2.3.2.-.0.7.1.7. will guide you through setting up SMS or alte...