1. To change the reserved mobile phone number of the bank card, you need to bring your ID card and bank card to the bank outlet for numbering.

2. Choose to handle personal customer contact information inquiry and maintenance business, then fill in the form and write down the changed mobile phone number, and the window staff will change the mobile phone number in the system.

3. Finally, the mobile phone number is received by the bank verification code and entered into the password machine at the counter, and the change is completed. The bound mobile phone number takes effect immediately, and you can receive bank notification SMS and verification code.