How to set up call blocking (call rejections) on my Samsung Galaxy J3 Prime

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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 Settings.
4. Touch Block numbers.
5. To block a phone number: touch the Contacts icon.
6. Touch the desired phone numbers/contacts.
7. Touch DONE.
8. To unblock a phone number: touch the — icon.
9. The phone number has been unblocked.