How to block phone numbers on Samsung Galaxy S4 Mini GT-I9192

How to block phone numbers on Samsung Galaxy S4 Mini GT-I9192

If you want to prevent that number from being able to call your Samsung Galaxy S4 Mini GT-I9192, you can add a number to your ‘Reject List’.
To add a number to the Reject List , you just need to follow the instructions:
Go to your Samsung Galaxy S4 Mini GT-I9192
Open the contact page
Select number from the list
Press Menu key
Add to reject list.
Please note that in your Samsung Galaxy S4 Mini GT-I9192, the Reject List just can block calls from the blocked numbers which are shown with the common blue No symbol

Another method you maybe like:

You also can use Third-party apps for blocking phone calls in the Samsung Galaxy S4 Mini GT-I9192.
Click https://play.google.com/store/apps/details?id=com.vladlee.easyblacklist&hl=en
This application both blocks calls and SMS which are unwanted, and can help manage a blacklist. It is so easy and lightweight, and does not consume any of your device’s battery power.