Displaying invalid cards usually refers to the situation that ordinary bank debit cards or credit cards are damaged for various reasons, resulting in abnormal transactions. The reason is that the card is demagnetized; Abnormally frozen; The card has exceeded its service life; If the card is cancelled or lost, the cardholder can call the customer service hotline of the bank card to find out the specific reasons.

How to solve the problem of invalid used cards?

1. If the card is degaussed, users are advised to change it at a bank outlet.

2. Freezing for abnormal reasons: For example, if you suddenly swipe your card in a strange area, the system will freeze the card in order to ensure the safety of funds in the account. At this time, the user only needs to confirm that there is no abnormality, and can contact the bank to unfreeze.

3. Exceeding the service life: If the bank card exceeds the service life, users are advised to go to the bank to replace it.

4. Card cancellation: If the bank card is cancelled and you want to continue to use it in the future, you can go to the bank to open an account again.

5. After handling the loss reporting business, during the loss reporting period, the card will be displayed as invalid during the transaction.