3 ms·does facebook support otp 2fa, or just smsby snek 8y agodoes facebook support otp 2fa, or just smssanxiyn 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.