How to set up call blocking (call rejections) on my LG X Power 3

Click each step to see the action. You can also click the picture or use the arrow keys.

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With call blocking, you can automatically reject incoming calls from specific phone numbers. Blocked callers will hear an announcement that your number isn't accepting calls. Other calls will ring through as usual.
1. Touch Phone.
2. Touch the Menu icon.
3. Touch Call settings.
4. Touch Call blocking & Decline with message.
5. Touch Blocked numbers.
6. To block a phone number: touch the + icon.
7. Touch the desired option (e.g., Contacts).
8. Touch the desired phone numbers/contacts.
9. Touch DONE.
10. To unblock a phone number: touch the Trash can icon.
11. Touch the desired phone numbers/contacts.
12. Touch REMOVE.
13. Touch REMOVE.
14. The phone number has been unblocked.