Apps and features82Blocking unwanted messagesBlock messages from specific numbers added to your block list.1 Launch the Messages app and tap → Settings → Block messages → Block numbers.2 Tap INBOX or CONTACTS, select a contact, and then tap .To manually enter a number, tap Enter number, and then enter a phone number.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.• Notification sound: Change the notification sound.• Vibrate when sound plays: Set the device to vibrate when you receive messages.• Pop-up display: Set the device to display messages in pop-up windows.• Preview message: Set the device to display message content on the locked screenand in pop-up windows.Setting a message reminderYou can set an alert at an interval to let you know that you have unchecked notifications.If this feature is not activated, launch the Settings app, tap Accessibility → Notificationreminder, and then tap the switch to activate it. Then, tap the Messages switch to activate it.