Bank card maintenance is to change some information inside the bank, which generally has nothing to do with users, but only temporarily affects the use of bank cards. But it does not affect the counter business. If you withdraw money or deposit money, you can bring your ID card and bank card to the bank outlet to handle related business. Some banks will upgrade or maintain from time to time, and then return to normal after upgrading or maintenance. You can use another card or wait a few days for maintenance. During the withdrawal period, the bank is under maintenance, usually in the early morning.
When upgrading and maintaining the system, banks will generally issue a maintenance announcement in official website before the bank's maintenance (telling the maintenance time and end time), and bank cards cannot be used during the maintenance. Therefore, if the cardholder urgently needs to use the card, he must pay attention to the announcement information of the bank or call the customer service phone of the bank for consultation, and try to avoid using the card during the maintenance period, so as not to cause a lot of unnecessary trouble. The maintenance of banks is generally to update the background system and change the performance of the background, which is also one of the most important ways for hackers to attack.
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