1. Bring my ID card and bank card to the bank outlet, explain to the staff that it is necessary to bind the mobile phone, and follow the instructions of the staff.
2. On the bank website, log in to personal online banking, and then select "Customer Service" and "Query and modify customer contact information" to find the mobile phone number and bind it.
3. Log in to mobile banking through online banking, and click "Payment Management" in the "Credit Card" module to enter the mobile phone number management center. You can bind the reserved mobile phone number.