Multifactor Authentication (MFA) - SMS
Use the guide to setup SMS Phone authentication. Backup SMS Phone authentication will allow you to re-setup multifactor verification on a new mobile device if necessary.
Navigate to Settings
Navigate to Settings
Click your name at the top of the page, and then click Settings.
Setup Security Method: Phone
Setup Security Method: Phone
Scroll down to Security Methods > Phone, and select Set up.
Set up Phone Verification
Set up Phone Verification
Select Set up
Select SMS and enter your phone number.
Enter the verification code received via text message.
Done! You have no successfully setup SMS Phone verification.