1, call the customer service phone number of China Merchants Bank at 95555;

2. Transfer money to the credit card limit according to the voice prompt;

3. After the transfer is successful, the voice will prompt you to enter your ID number and press the # key, but what you need to do is: ID number+password+9-this can directly enter the manual service;

4. After entering the manual service, tell me that you need to change the bound mobile phone number;

5. The account specialist will ask you the following information and answer truthfully:

When is the billing date and repayment date of your credit card every month?

What's your emergency contact name? (He will hint at his last name)

What is the email you are bound to?

If all the answers are correct, the customer will ask for a new phone number. The changes will take effect in 24 hours.