What is the purpose of flash SMS verification?

Flash SMS authentication is used for registration and login.

Flash message authentication is a new user authentication mode, which transmits authentication information through dial-up call and can quickly obtain verification code without answering. It is mainly used in the registration and login process of APP, websites and other platforms, which can effectively solve the tedious verification process of traditional SMS verification code. Through flash SMS verification, users can quickly verify the consistency between mobile phone number and SIM card, simplify the registration and login process, and improve the user experience.