1. Call the customer service hotline: Call the customer service hotline of Bank of Communications, enter the manual service, and apply for prepayment by credit card. After the bank confirms prepayment, it will make prepayment according to the prompts.
2. Bank of Communications Mobile Banking: Log in to Bank of Communications Mobile Banking, enter the credit card interface, click "Borrow by installment-settle in advance by installment", and follow the prompts, as shown on the page.