The bank card was frozen without any notice.

What you want to ask is what should I do if my bank card is frozen without any notice? Contact the customer service of the bank immediately or go to the bank outlet to check whether the bank has issued a notice.

1. Call the customer service phone of the bank or go to the nearest bank outlet to ask the bank staff about the specific reasons why their bank cards are frozen. The bank will provide corresponding help and solutions according to the situation.

2. Sometimes, the bank will send a notice of freezing by SMS, email or mail. Check your mobile phone, email and mailbox to make sure you haven't missed any notifications.