1. Open WeChat to enter the official WeChat account of China Construction Bank, and then enter "Unbind Bank Card" at the bottom, as shown in the figure below.

2. You will be prompted to confirm the unbinding. Please press 1, and you can enter the number "1".

3. After unbinding, the mobile phone bound by your credit card will receive the message of unbinding successfully, as shown below.

4. Unbinding succeeded. If you want to rebind, you can rebind on the official WeChat account.

Credit card, also known as credit card. It is a non-cash transaction payment method and a simple credit service.

A credit card is a credit certificate issued by a commercial bank or a credit card company to eligible consumers. Consumers with credit cards can go to specialized commercial service departments for shopping or spending, and then the bank will settle accounts with merchants and cardholders, and cardholders can overdraw within the prescribed limits.

China Construction Bank (CCB) was established in June 1954 65438+ 10/. The head office is located at No.25, Financial Street, Beijing. It is a large state-owned bank managed by the central government and one of the four largest banks in China. The main business areas of China Construction Bank include corporate banking, personal banking and treasury business, with branches in Hongkong, Taiwan Province Province and Melbourne, and subsidiaries such as CCB Fund, CCB Leasing, CCB Trust, CCB Life Insurance, Sino-German Housing Savings Bank, CCB Asia, CCB London, CCB Russia, CCB Dubai and CCB International, which provide comprehensive financial services to customers.

References:

Credit card-encyclopedia? China Construction Bank-Baidu Encyclopedia