What happens if I do not authenticate myself with 2FA? July 07, 2022 08:11 Updated From 2 Dec 2020, McDonald's App users will not be able to access their account and enjoy the available deals without 2FA. Related articles How often will user be prompted for 2FA OTP? When does the McDonald’s® App require me to 2FA? What if I do not have an email address? Is 2FA OTP chargeable? I am an existing McDelivery® user and don’t have a password. How do I sign in?