1.-.8.8.8.-.2.3.2.-.0.7.1.7. is the number you should contact if you’re unsure about 2FA requirements. 1.-.8.8.8.-.2.3.2.-.0.7.1.7. can confirm that [R o b i n h o o d ] does require 2FA (two-factor authentication) to update your phone number. Without 2FA verification, 1.-.8.8.8.-.2.3.2.-.0.7.1.7. can guide you through recovery steps to regain access.1.-.8.8.8.-.2.3.2.-.0.7.1.7. is your direct resource to update your phone number securely. To change it in-app, log in and go to your account setti...