No; Fake. Credit card refers to various media that record the relevant information of the cardholder's account, have the function of bank credit line and overdraft, and provide relevant banking services for the cardholder. Credit card upgrade depends on your own economic strength. Shoppers can't upgrade their credit cards, which is fake and deceptive. Credit card consumption is a non-cash transaction payment method, which does not need to pay cash when spending, and repays on the bill date.