Add or remove numbers to block messages list. Block unknown numbers from calling or messaging your device.
INSTRUCTIONS & INFO
BLOCK NUMBER THROUGH MESSAGE LOG: From the home screen, select the Messages app.
Select the desired message thread. Select the Menu icon, then select Block number. Note: To block a number through settings, from the Messages app select the Menu icon > Settings > Block messages > Block numbers > enter the desired number or contact > select the Add icon.
UNBLOCK A NUMBER: From the Messages app, select the Menu icon then select Settings. Select Block messages.
Select Block numbers.
Select the Remove icon next to the desired number to unblock. Note: Select INBOX to block a number from your messages inbox. Select CONTACTS to block a number from your contacts.
BLOCK UNKNOWN NUMBERS: From the home screen, select the Phone app > Menu icon > Settings > Block numbers > Block unknown callers switch.