Two-factor authentication is the shield protects your Binance account from unwanted troubles that can hamper your work, and also, able to steal the private information. If you have not backed up 2fa in your account for the safety of purpose, do it with the help of professionals via Binance support number 1877-209-3306 which is all the time active. With the assistance of professionals, you can easily understand the role and functioning of the 2fa in your device.