BLOCK: From the home screen, select the Messages app. Select the Menu icon, then select Settings.
Select Block messages.
To block specific numbers, select Block numbers. To block specific phrases, select Block phrases. To view blocked messages, select Blocked messages. Note: For this demonstration, Block numbers was selected.
Enter the desired phone number, then select the Add icon. Note: Select INBOX to block a number from your messages inbox. Select CONTACTS to block a number from your contacts.
UNBLOCK: To remove a number, select the Remove icon next to thedesirednumber you would like to remove.
BLOCK FROM THE CALL LOG: From the home screen, select the Phone app.
Select the Menu icon, then select Settings.
Select Block numbers. Enter the desired number to block, or select the Contacts icon to select a number from your contacts. Note: When a call is blocked, it is routed directly to voicemail. 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 the Add icon.
UNBLOCK FROM THE CALL LOG: Select the Remove icon next to the desired number to unblock.