How to unbind the bank card bound to mobile banking

1 Bank of China: Log in to Bank of China mobile banking, select the debit card to be unlinked on the "Account Management" page, click more "?" - "Cancel Association" to cancel the debit card association. You can cancel the association of a credit card through the "Home Page" - "Credit Card" - "Card Management" - "Cancel Association" function.

2 Agricultural Bank of China: Log in to Agricultural Bank of China mobile banking, click "My Account" on the homepage, click the gear icon in the upper right corner of the debit card page, enter the account management page, and select "Delete Debit Card" to resolve the issue. tie.

3 China Construction Bank: Log in to China Construction Bank Mobile Banking, click "Account" on the homepage, enter the account page, select the bank card you want to unbind, and click Unbind.

4 ICBC: Log in to ICBC mobile banking, select "Favorites" - "My Account", long press the bank card to be deleted, click "Delete Account" to successfully unbind the bank card.

：

SMS mode

MS (short message service) mode uses mobile phone short messages to handle banking services. It is easy for customers to access. Mobile phones generally support short message service. Messages, and most people use short messages. The active on-demand method of SMS can also be used to implement bank transactions. However, the security level of this method is very low and will leave traces on the mobile phone and the network operator's server.

STK module mode

STK (sim tool kit) mode is to write the menu of banking services into a special STK card to facilitate customers' menu-based operations. The STK card itself has a relatively complete identity authentication mechanism, which can effectively ensure transaction security, but its shortcomings also exist in three aspects:

(1) The capacity of the STK card is limited, and it can usually only be stored in the card. It is written into a bank's application and cannot be changed. Although OTA over-the-air download technology can update the contents of the STK card and upgrade the service, it is still troublesome.

(2) The same storage and forwarding mechanism of SMS will leave traces of the transaction on the network operator's server.

(3) The business is cumbersome and for customers, the cost of switching to STK cards is too high.

USSD mode

USSD is an unstructured supplementary data service for new interactive mobile data services. It is a new interactive data service based on GSM network and can be used to develop various kind of business. USD messages are transmitted through the Signaling No. 7 (SS7) channel and can maintain dialogue with various application services. USSD can use the existing GSM network as a transparent bearer entity, and operators can use USSD to develop corresponding services that meet the needs of local users. In this way, the USSD business can easily provide data services to mobile users, and adding new services will have little impact on the original system.

WAP method

WAP method is the abbreviation of Wireless application protocol (Wireless Application Protocol). It is a combination of a series of specifications for developing Internet-like applications on mobile networks. It will enable new The first generation of wireless communication equipment can reliably access the Internet and other advanced telephone services. Since wireless network systems are different from fixed network systems, and the screens and keyboards of mobile terminals are small, WAP is not suitable for using HTML (hypertext markup). language), a specialized WML (Wireless Markup Language) needs to be used. Around 2000, WAP technology was once a hot spot promoted by IT manufacturers, but it quickly declined due to Internet speed and other factors.