The convenient repayment method for ICBC credit cards is through Alipay. Here are the detailed steps:

First, turn on your phone, find and open the Alipay app. In the main interface, scroll down and find the option "Credit Card Repayment" and click to enter the corresponding functional area.

On the credit card repayment page, you will see various credit cards listed. Find and select your ICBC credit card. After making sure you select the right one, then confirm the amount that needs to be repaid. There is usually an "Agree to Service" confirmation box below. Check it to indicate acceptance of the relevant terms of service.

Finally, after confirming that everything is correct, click the "Repay Now" button in the lower right corner of the screen, and the entire repayment process is completed. In this way, you can quickly and easily complete the repayment of your ICBC credit card without additional complicated steps.