Steps to delete a single text message on your iPhone 8
- From the home screen, tap Messages.
- Tap the message thread as needed.
- Tap and hold the preferred message.
- Tap More....
- Select the desired messages.
- Tap the Trash icon on the bottom left corner of the screen.
- Tap Delete Message to confirm.
- The message has been deleted.
Note: To delete all messages, tap DELETE ALL, then Delete Conversation.