If your credit card is overdue and has been frozen, and you want to resume use, you can take the following measures:

1. Pay off the overdue amount: First, you need to pay off the overdue amount as soon as possible , including overdue principal, late payment fees and interest, etc. Try to repay in full through Alipay, online banking and other channels to avoid incurring more interest and fees.

2. Contact the card issuer: After paying off the overdue amount, contact the credit card issuer promptly to inform you that the balance has been paid off. You can communicate through the credit card customer service hotline, online customer service or going to the bank counter. Provide relevant repayment vouchers, such as payment screenshots or debit card transfer vouchers, so that the card issuer can verify and unfreeze your credit card.

3. Update the information and wait: After contacting the card issuer, they may ask you to provide some personal information to verify your identity and repayment status. Please be patient and provide the required information and wait for processing by the card issuer. Typically, they complete the verification and unfreezing operations within a few working days.

To sum up, to resume using a frozen credit card, you need to communicate with the card issuer after paying off the overdue amount and provide relevant credentials and information. Finally, you need to wait for the card issuer to process and unfreeze your credit card.

Extended information:

In some cases, if you are overdue for a long time or owe a lot, it may take more operations and time to unfreeze your credit card. In addition, different banks and card issuers may have different unblocking procedures and requirements, so it is best to communicate directly with your card issuing bank to understand the specific unblocking process and precautions.

In addition, it is recommended that you abide by the relevant repayment regulations when using a credit card and repay on time to avoid overdue payments. If you encounter special circumstances and are unable to repay on time, it is recommended to contact the card issuer in advance and explain the situation, and try to discuss with the bank to formulate a suitable repayment plan to avoid adverse effects on your credit record.

I hope the above information is helpful to you, and I wish you a smooth way to unfreeze your credit card and resume normal use. If you have any more questions, please contact the card issuing bank in time.