How to access two factor authentication working tricks code problem
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Why is Facebook forcing two-factor authentication?
Two-factor authentication is an extra step used after you enter your login name and password. You'll get a text to your cellphone with a code that you enter on the login screen. This way, if someone steals your Facebook login credentials, they can't log in unless they have your cellphone to receive the code.
How to fix Facebook not sending SMS code for 2 step Login?
Here are some things you can try:
Check the number that you entered. Tap here to view the mobile number you entered. If you entered the wrong number, tap Add Another Number. ...
Re-send the SMS. Tap here. Tap Send Code Again.
Use an email instead. Tap here. Tap Confirm by Email. ...
Re-send the email code. Tap here.
https://m.facebook.com › help