You can call the credit card customer service hotline for consultation, or you can try to swipe your card on the pos machine. Generally, being frozen will show that the transaction failed. \x0d\ After the credit card of Bank of Communications is frozen, you need to contact the bank for unfreezing. If the bank agrees to unfreeze, you still need to reactivate the card according to the original steps of opening the card. \x0d\ 1。 Bank of Communications Credit Card Customer Service Phone Activation \x0d\ You can activate your card by calling the 24-hour customer service hotline displayed on the back of the Bank of Communications Credit Card. \x0d\ Please follow the voice prompts for the specific operation process. \x0d\ II。 Online activation process of Bank of Communications Credit Card \x0d\ Log in to the homepage of Bank of Communications Credit Card Center and log in to Bank of Communications Credit Card Online Banking to activate your credit card. \x0d\ Tip: \x0d\ 1. If you didn't select the function of "Confirm the transaction by password" when filling out the credit card application form, you can spend money by swiping your card after activation. \x0d\ 2。 If you select the "password confirmation transaction" function, you must set the transaction password in online banking or telephone banking before you can use this password for credit card consumption. \x0d\ 3。 If the credit card activation information is entered incorrectly for three consecutive times, it cannot be activated in online banking or telephone banking. Please call the customer service hotline displayed on the back of the card for manual activation. \x0d\ 4。 The home phone number is the home phone number registered by the main cardholder, and there is no need to enter the area code and extension number.