How to intercept each other's short messages?

1. First, open the phone settings and click the phone.

2. Secondly, click the blocked contact, and then click Add to add the phone that needs to be intercepted.

3. Then you can open the phone icon on the desktop, find the phone number you want to intercept, and click the details icon on the right.

4. Finally, click Block this Call Number-Block Contacts.