When you try to log into Facebook from a new phone, laptop, or browser, Facebook doesn’t recognize the device. After you enter your password correctly, Facebook sends a six-digit code via SMS (text message) or through an authenticator app to verify it’s really you.
Acts as a second layer of security beyond your password. When 2FA is active, Facebook requires this code whenever you log in from an unrecognized browser or device. facebook six digit code
A 6-digit PIN may be required to restore end-to-end encrypted chats on new devices. Types of Codes: When you try to log into Facebook from
If you are already logged into the Facebook app and need a code for another device: Tap the (three lines or your profile picture). Select Settings & privacy . facebook six digit code