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.
Tap the Menuicon.
Tap Settings.
Tap Call.
Tap Callrejection.
Tap Autorejectmode.
To block all calls, tap Allincomingcalls.
To block specific numbers or contacts, tap Autorejectlist.
Tap the + icon.
Enter the Desirednumber, and tap SAVE.
To remove a number from your block list, tap the Checkbox next to the desired number.