Apps and features54Blocking unwanted messagesBlock messages from specific numbers added to your block list.1 Launch the Messages app and tap → Settings → Block numbers and messages →Block numbers.2 Tap Conversations and select a contact or a phone number. Or, tap Contacts, selectcontacts, and then tap Done.To manually enter a number, enter a phone number under Enter phone number and tap.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.Setting a message reminderYou can set an alert at an interval to let you know that you have unchecked notifications. Ifthis feature is not activated, launch the Settings app, tap Accessibility → Advanced settings→ Notification reminders, and then tap the switch to activate it.Deleting messages1 Launch the Messages app and tap Conversations.2 On the messages list, select a contact or a phone number.3 Tap and hold a message, then tap Delete.To delete multiple messages, tick messages you want to delete.4 Tap Delete.