Tools: ABC APP, mobile phone.

1. Open the Agricultural Bank APP: Open the Agricultural Bank APP in your mobile phone.

2. Log in to the Agricultural Bank account: enter the account number and password to log in.

3. Enter the "My" page: In the Agricultural Bank APP, click the "My" option in the lower right corner to enter my page.

4. Enter the "Bank Card" page: in the "My" page, click the "Bank Card" option to enter the bank card page.

5. Unbind the bank card: on the bank card page, select the bank card to unbind, and then click "..." in the upper right corner, the "Unbind" option will appear. Click Unbind to unbind the bank card.

6. Confirm unbinding: A confirmation window will pop up when unbinding. Click Unbind again to finish unbinding.