Do Tik Tok's different mobile phones need to be re-certified?

SMS authentication is a certificate given to consumers (users) by enterprises, and the identity is verified by the verification code of SMS content. The most commonly used are online banking, online shopping malls, group buying websites, ticketing companies and so on. SMS authentication uses SMS verification code to register members, which greatly reduces the data of illegal registration and bad registration. The website or client application needs to access the function of SMS verification code (mobile phone verification code), which can verify the correctness of the registered user's mobile phone number and ensure the authenticity of the mobile phone number filled in by the user. The verification code short message interface can be widely used to trigger mobile phone verification of website members, mobile phone verification of APP applications, order notification, logistics reminder and other short message applications.