First of all, it is possible to unfreeze CCB credit cards after they are frozen for about three months.

The details are as follows:

1. Contact the bank: If your CCB credit card is frozen due to overdue, you can directly contact CCB customer service to explain the situation to them and consult the specific process of unfreezing.

2. Pay off the arrears: the premise of unfreezing CCB credit cards is to pay off overdue debts. You need to repay the overdue amount and overdue interest as soon as possible, and ensure that the account balance is zero.

3. Provide relevant certification materials: In order to unfreeze the credit card, CCB may need you to provide some relevant certification materials, such as proof of income and identification. The specific materials required shall be subject to the requirements of CCB.

To sum up, if your CCB credit card is frozen due to overdue, you still have a chance to unfreeze it. The most important thing is to contact the customer service of CCB in time to understand the specific process of thawing and the required supporting materials. In addition, please be sure to repay the overdue funds in time and maintain a good credit record.

Extended information: CCB's credit card freeze is a measure taken by the bank to protect borrowers and their own interests when the cardholder fails to repay the arrears for a long time. After freezing, cardholders will not be able to make any credit card-related consumption and transactions. Before unfreezing, the cardholder needs to repay all overdue funds and abide by the bank's regulations and procedures.

The above answers are based on personal understanding and are for reference only. If you have more questions, please contact CCB customer service directly for consultation and confirmation.