How to intercept malicious harassing messages?

When using vivo mobile phones, you often receive some kind of harassing text messages. How to intercept harassing text messages is as follows.

Equipment: vivo Y30

System: Funtouch OS 10.5

1. First open the SMS in your mobile phone and press and hold a harassing SMS on the information page.

2. An option appears at the bottom of the page, and click "Join Blacklist".

3. In the blacklist window, confirm the number of the harassing message, and then click "Save".

4. After finally joining the blacklist, you can intercept harassing messages.