How to prevent mobile phones from receiving spam messages and harassing calls?

We can use the interception function of mobile phones to intercept some spam messages and harassing messages, so that we won't receive them.

1. Open the information APP of the mobile phone, as shown in the figure:

2. After coming in, click "Four Points" in the upper right corner, as shown:

3. Then click "SMS interception rules", as shown:

4. Open spam messages, spam advertisements and strange messages here, as shown in the figure below:

When it is opened, messages you don't know will be intercepted.