There are two ways to modify the bound mobile phone number: one is at the counter and the other is by phone!
If the mobile phone left by the cardholder when handling the credit card has been replaced and needs to be replaced, the cardholder can bring his ID card.
Card issuing bank
Change your mobile phone number at the outlet!
If the cardholder's original mobile phone number can also be used, you can call the customer service of the issuing bank, and the bank will generally change the bound mobile phone number for the cardholder through mobile phone verification; If the original mobile phone number can no longer be used, the issuing bank will help the cardholder to modify it by calling the customer service number of the issuing bank and checking the cardholder's information!