In the process of binding bank cards with Yixin Pay, you need to pay attention to the following matters: 1. When binding bank cards, you need to verify the cardholder’s real-name information, that is, name and ID number. 2. One YiSignal can only be bound to one real-name information. After binding, the real-name information cannot be changed. Unblocking the card will not delete the real-name binding relationship. Please operate with caution. 3. The same ID number can only be registered for up to 10 (including 10) YiXin Pay; 4. One bank card (including credit card) can be bound to up to 3 YiSignal; 5. One YiSignal can be bound to up to 10 A bank card (including credit card); 6. Only one payment password can be set in an Yixin account; 7. There is no need to open online banking for bank cards (except Bank of China and Industrial and Commercial Bank of China), as long as there is a mobile phone number reserved in the bank, that is Can be bound to Yixin Pay. Note: Once the binding is successful, the Easy Signal cannot be bound to bank cards/credit cards with other names, please operate with caution. The broadband service can be self-service troubleshooting, which is simple and easy to operate. In addition, it can handle work order inquiries, ITV troubleshooting, broadband applications and password services, which is convenient and fast. For more functions, please pay attention to China Telecom Guizhou customer service. Customer service 222 will answer your questions.