How to prevent mobile phones from harassing calls?

In order to prevent harassing calls, the following measures can be taken:

1. Set the filtering blacklist: open the filtering blacklist in the settings of the mobile phone, add the phone number to be filtered, and the incoming call will be automatically hung up or not prompted.

2. Install anti-harassment software: Now there are various anti-harassment software in many mobile phone application markets, which can provide more comprehensive security protection.

3. Don't reveal your phone number at will: Usually harassing calls come from some advertising companies or other strangers, so we should try to avoid revealing our phone number at will.

4. Protect personal information security: protect your personal information carefully and avoid exposing your phone number in some unsafe places, such as informal websites or guest books in public places.