I want to change the mobile phone number bound by the Bank of Communications credit card. What should I do?

You can modify the reserved phone number of Bank of Communications credit card through the security setting function in the bill column. The specific operation steps are as follows:

1. Find the check-out icon in the mobile phone interface and click to enter the main interface of the check-out bar.

2. Select the setting icon in the upper left corner of the bill payment bar owner interface, and click to enter the bill payment bar setting interface.

3. Select the account and security options in the cashier setting interface, and click to enter the account and security setting interface.

4. In the account and security settings interface, select Modify Login Mobile Phone Number to enter the Modify Mobile Phone Number interface.

5. Select SMS verification method in the interface of modifying mobile phone number, and click Send SMS verification code.

6. Enter the received SMS verification code in the SMS verification code input interface for account security authentication, and enter the new mobile phone number input interface.

7. Enter a new mobile phone number in the new mobile phone number input interface, and click the Send button below to send the verification message.

8. Enter the received SMS verification code in the SMS verification code input interface, and click the Confirm Submit button below to complete the modification of the reserved phone number of the Bank of Communications credit card.