The credit card needs to be activated before it can be used, but:

1, the activation of the credit card must be handled in person at the outlet, and it cannot be done on behalf of the agent;

2. You can also call customer service through the credit card center, but you must have a reserved mobile phone number to accept the verification code;

3. You can also activate it by yourself through the official bank APP or the official bank WeChat account, but you also need to reserve your mobile phone number to accept the verification code;

In addition, it is illegal to illegally use other people's credit cards.