What is the bank card upgrade?

Bank card upgrade usually refers to the background system optimization and upgrade, adding some new functions, which has nothing to do with users.

However, during the upgrade and maintenance period, the bank card will be temporarily unavailable, so banks will generally send short messages or announcements to inform customers, but it will not cause too much inconvenience to users, because the bank card upgrade is generally around 0: 00.

Precautions for bank cards

1. When entering the password, be careful to cover it with your hands. If there is any abnormality in the password protection cover and card entry protection slot of ATM, please do not use it for safety reasons and notify the bank immediately;

2. In order to prevent counterfeit ATM machines, customers should try to choose self-service banks with obvious signs and use ATM machines under the video surveillance of banks;

It is best to store the bank card and ID card separately. Don't lend your bank card to others, and don't disclose your bank card number and password at will.

4. When spending by credit card, don't let the bank card leave sight, pay attention to the number of times the cashier swipes the card. When you get the shopping list and the card, check whether the amount on the shopping list is correct and whether it is my card;

5. Open SMS service, keep abreast of account changes, and call the bank to report the loss once abnormal transactions are found;

6. If you suspect that the funds have been stolen, you should immediately call the bank customer service number and report the loss of the bank card account in time.

7. Bank cards should not be placed with mobile phones, televisions, stereos, microwave ovens and other electrical appliances with strong magnetic fields. It's better to put them far away. Don't put multiple bank cards and passbooks together.

8. Try to separate the cards with pieces of paper to play a role in spacing.

9. You can use a special bank card case or anti-magnetic card case.

The same bank cannot open more than 4 cards.

On February 20 15, China Banking Regulatory Commission issued the Notice on Matters Related to Banking Combating and Governing New Crimes in Telecommunication Networks (hereinafter referred to as the Notice). According to the circular, starting from 20 16 1, in principle, the same customer should not open more than four debit cards in the same institution.

At the same time, the Notice also stipulates that "in principle, the same agent may not open more than three cards in the same commercial bank. The manager can only use the debit card opened by the manager after he has activated the card at the counter with his valid ID card. "

The notice also requires that for customers who already have more than four debit cards, banks should take the initiative to contact customers for verification, and if they find that customers are unwilling to handle it, they should suspend their services.