How does Apple's mobile phone report harassing calls?

1. First, find and click the "Phone" icon on the home screen.

2. Secondly, in "Phone", click the "Recent" tab to find the harassing phone number.

3. Then, in the harassing phone record, click the small "I" icon to the right of the phone number.

4. Finally, scroll to the bottom and select "Report spam and harassing phone calls".