1. Open the mobile banking application of ABC.

2. Click to enter the "Credit Card" function module.

3. On the credit card page, find the option to click "Cancel Account".

4. In the pop-up page, select the appropriate "account cancellation reason" and click the "Next" button.

5. In the newly popped-up page, click the "Get Verification Code" button to get the verification code required for cancellation and enter the verification code.

6. After confirmation, click Submit or Confirm to complete the credit card cancellation operation.