How to modify the direct payment card number of Hanyintong?

Hanyintong modifies the direct payment card number as follows.

1. Cardholders bring their ID cards and bank cards to the bank counter to unbind their mobile phone numbers and directly modify the service.

2. Tell the bank teller to modify the customer information with my ID card, mobile phone number (mobile phone number needs to be registered in real name), mobile phone payment invoice and other vouchers.