3 ms·Facebook supports OTP 2FA. Use it.by sanxiyn 8y agoFacebook supports OTP 2FA. Use it.jfaat 8y agoDoes it still require you to have the Facebook app installed, or can you use a 3rd party tool like Authy now?sanxiyn 8y agoYou can use any 3rd party tools.OkGoDoIt 8y agoAny Authy or Google Authenticator -like app works. I personally use Authy.