Joke Collection Website - Public benefit messages - How does Apple set a blacklist to intercept SMS messages?

How does Apple set a blacklist to intercept SMS messages?

1. First open the details page of spam messages in iPhone, and then click the "Contact" button on the upper right.

2. Secondly, click the "I" symbol on the contact information that appears.

3. Finally, drag it to the bottom of the screen, click "Block this calling number" and confirm to block this number in the confirmation box that pops up.