Apps and features57Viewing messagesMessages are grouped into message threads by contact.You may incur additional charges for receiving messages when you are roaming.1 Launch the Messages app and tap CONVERSATIONS or ANNOUNCEMENTS.2 On the messages list, select a contact.3 View your conversation.To reply to the message, tap Enter message, enter a message, and then tap or .Blocking unwanted messagesBlock messages from specific numbers added to your block list.1 Launch the Messages app and tap → Settings → Block numbers and messages →Blocked messages → BLACK LIST.2 Tap → Add manually or Add from Contacts/Phone log.3 Enter a phone number or tick contacts, and then tap DONE.Setting the message notificationYou can change notification sound, display options, and more.1 Launch the Messages app, tap → Settings → Notifications, and then tap the switch toactivate it.2 Change the notification settings.