ADD A NUMBER TO THE BLOCK LIST: From the home screen, select the Phone app. Select the Menu icon,then select Call settings. Note: The call blocking feature may not affect phone calls made or received via third-party apps installed on your device. Please contact third-party app developers for assistance with such applications.
Select Call blocking & Decline with message. Select Blocked numbers. Note: To add all unknown numbers (no caller ID) to the rejection list, select the Private numbers switch.
Select the Add icon, then select the desired contact location.
Enter the desired number, then select BLOCK. Note: When a number has been blocked, they are automatically routed directly to voicemail when calling you. To quickly block a number that has called you, select and hold the number from your Call log, then select Block number > BLOCK.
REMOVE A NUMBER FROM BLOCK LIST: From the Blocked numbers list, select the Delete icon > desired number(s) > REMOVE > REMOVE again to confirm.