For CCB bank cards, the mobile phone number binding can be changed in other places. \x0d\\x0d\How to modify the mobile phone number reserved on the bank card: \x0d\\x0d\1. I go to the bank counter with my ID card to apply. \x0d\\x0d\2. Use online banking to change your mobile phone number. \x0d\Log in to online banking, click "Customer Service" -> "Personal Data Modification", and then you can modify your mobile phone number.