When ICBC Online Banking started SMS authentication, it was prompted that there was no reserved mobile phone number.

Prompt when SMS authentication is enabled? How did you open it? What is the function of lighting? At present, there are three main types of ICBC services involving mobile phone numbers: 1. Icbc messenger, that is, what you said about saving money by SMS. 2. Password card users add SMS authentication. This service adds SMS verification code when password card users pay online, which not only improves the payment amount, but also improves the security. 3. The user keeps the contact number. Reserved mobile phone number At present, Alipay must be consistent with the bank reserved number when signing a contract. Description: You currently have an ICBC courier. I don't know if there are other mobile phone number services.