From the home screen, tap Phone. 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.
Press the Menu key.
Tap Call settings.
Tap Call rejection.
To edit block call preferences, tap Auto reject mode.
Tap the desired block calls option. Note: This tutorial selects 'Auto reject numbers'.
Tap the Auto reject mode switch to toggle on / off.
To add a number to the blocked calls list, tap Auto reject list.
Tap the Add icon.
Enter the desired phone number.
To remove a phone number from the blocked calls list, tap Auto reject list.
Scroll to, then touch and hold the desired blocked number.