This feature will allow users to block unwanted callers and text messages.
1.First, from the settings menu scroll down and select the "Block Numbers" option.
Here you will be able to view and manage your blocked callers list.
2. Then,select the "Add" (+) option.
3. Next,scroll down and select the contact that you wish to block.
4. Lastly,click on the "block person" link.
The blocked users information will be added to your blocked list,and you can unblock the user if needed.
Here is a video
showing these steps for your convenience.
Let us know how it goes.