Hello, if the mobile phone number is lost, you will not be able to log in because you cannot receive the verification code.

1. It is recommended to reapply for a cell phone card as soon as possible and receive the verification code before logging in.

2. If the mobile phone number is not ready for use, but the mobile phone can log in normally, you can change the mobile phone number in [Me]-[Settings]-[Account and Security], you need to enter the login password.