Can SMS be hacked?

Yes, the method is; Take the operation of iphone as an example:

1. First, open the home page of the mobile phone and click the SMS icon.

2. Find the short message that needs to be pulled by a black person on the main page of short message, and click.

3. Click the information icon on the SMS page.

4. The details panel pops up, and click the greater than sign on the right side of the contact.

5. Click the option to block this call number on the contact information page.

6. A dialog box will pop up to stop contact. If you are about to be blacklisted, you will no longer receive messages or calls from the other party.