How to remove SMS blacklist from oppo mobile phone

How to set up a blacklist of some advertisements and sales calls? It is often inconvenient for us to come suddenly when we are working, living and resting. How to set it as "blacklist" to avoid being disturbed by it? Let me introduce the operation steps to you.

How to set the blacklist: 1, ColorOS 7 and above: phone book/dialing APP > dialing (calling) interface with ":"upper right corner > harassment interception > calling interface, ":"upper right corner > (harassment) interception rules > blacklist > click "+"in the upper right corner to add the blacklist for confirmation.

2.ColorOS version 7.0-7.2 model: "Settings >; Security > harassment interception > blacklist > click "+"in the upper right corner to add the blacklist for confirmation.

Tips: After being blacklisted, you will no longer receive calls and text messages from this number (contact person).

Previously generated call records and messages will be moved into harassment interception.

This answer applies to all OPPO models.