The method for self-service online banking with ICBC credit card is as follows:

1. Open the mobile app store, search for ICBC, and install it.

2. After the installation is completed, open ICBC on the mobile phone desktop.

3. After entering the client, click My in the lower right corner of the page.

4. After entering my page, click Login.

5. After logging in, click Open Mobile Banking to activate online banking.