To switch between two cards on the CCB app to check account details, you need to log in to the CCB mobile banking app, and then add the two card accounts. After binding, you can switch directly.

The steps to bind a card on the CCB app are: Log in to the app-Wealth-My Wealth Center-Add account, then select the new account type, fill in the account number, account category, account password, and SMS verification code, and complete After the account is added successfully, the user can switch the bound card on the account page.