1 bank APP binding: download the APP client of the bank card and follow the prompts to enter the APP setting interface. Bind in the personal center or bank card management office, enter your own card number, reserve your mobile phone number and identity information, and bind successfully after verification.
2 payment software binding: this kind of APP is generally managed in the personal center, with the option of adding a bank card. After entering, you still enter your bank card number and identity information according to the prompts, get the reserved mobile phone verification code, complete the binding, and set the payment password.
3 Other application authentication binding: Enter the bank card information according to the prompt steps to complete the authentication.