Yes, all the new credit cards are unopened. Only after you get the credit card, you can call the customer service phone on the back of the credit card with the mobile phone reserved when applying for the credit card, and enter the relevant information filled in when applying for the credit card according to the idea prompt. Credit cards can only be used normally after they are opened.

This is why the cardholder is required to open the card in order to prevent your credit card from being stolen during the express delivery, or someone else will steal your credit card after signing for you, and also to protect your funds.