Class II cards can be upgraded to Class I cards. Just bring your ID card and bank card to the bank counter and tell the staff that you want to upgrade your second-class card, and the staff will help you. If you don’t want to queue up, you can also go to a bank branch and apply for upgrade from a second-class card to a first-class card at a smart teller machine.

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Debit card refers to a bank card issued by the issuing bank to the cardholder. It has no credit limit and the cardholder deposits first and uses it later. The functions of a debit card are: deposit and withdraw cash. Most debit cards have local and foreign currency, fixed-term, current and other savings functions. Debit cards can be deposited and withdrawn at card-issuing bank outlets, self-service banks, and can also be withdrawn from ATM machines (cash machines) across the country and even around the world. Transfer money. Cardholders can transfer or remit money to other accounts through bank branches, online banking, self-service banking and other channels. Spend by credit card. Cardholders can use their debit cards to make purchases at merchants. Collection and payment. Debit cards can be used to pay wages and pay various fees (such as communication fees, water bills, electricity bills, gas bills, etc.). asset Management. Wealth management products, open-end funds, insurance, personal foreign exchange transactions, precious metal transactions, etc. can all be signed, traded and settled through debit cards. Other services. The services of many bank debit cards have extended beyond financial services, such as providing cardholders with airport VIP access, medical and health services, etc.

The characteristics of bank cards are: Ease of use and popularity: Due to the ease of use and wide popularity of debit cards, debit cards are also one of the most commonly used payment tools in electronic trade. Signature debit cards from some of the world's leading brands are accepted at more than 20 million points of sale worldwide. Ease of use is one reason why debit cards are becoming increasingly popular. Not only does a debit card save you the trouble of carrying cash, it's also easy to use, makes payments quickly, and the monthly statement (or statement) clearly shows all transaction records. Safe and secure: Debit cards have the same security as credit cards. If you lose your debit card or suspect it has been stolen, you should report the loss to your bank immediately to prevent others from using it and reduce losses. Remember: Although the card issuer provides you with consumption protection, it does not mean that you can ignore your debit card; debit cards are like money in a bank account and should be properly kept. Card custody: Once a debit card is lost or stolen, there is a risk of it being used fraudulently or counterfeited. Cards should be kept just like cash. They should not be left lying around and cannot be lent to others. ID documents and debit cards should be kept separate.