How do I turn off Two-Factor Authentication? To disable Two-Factor Authentication, select "Settings" from the menu and then "Security". Click “Edit” in the section “Two-Factor Authentication.” In the “Your second step” section, click “Remove” next to the second factors you have set up. Related articles What do I do if my phone was lost or stolen if I’m using Two-Factor Authentication? How do I set up Two-Factor Authentication? Why wouldn’t I just buy Betterment’s recommended ETFs directly? How do I withdraw funds from my Betterment account? What is Two-Factor Authentication and how do I use it?