What if SF City ID card is bound to other mobile phone numbers?

First of all, the reason why SF City ID card is bound by other mobile phone numbers may be that ID card information has been stolen, personal information has been leaked, or it may be used maliciously. If you find that your SF ID card is bound to other mobile phone numbers, you should immediately call SF Customer Service and ask the relevant customer service to unbind it. At the same time, it is recommended to change the ID card information in time to prevent personal information from being used maliciously. In addition, personal information can be protected by security software, identity authentication and other technical means to prevent identity card information from being stolen.