You can search all of the messages on your iPhone in seconds using the search function in your Messages app or Spotlight to find specific messages.

Here's how to delete individual messages and conversations on your iPhone's Messages app, with steps to set up an auto-delete ...

If you want to recover a text message, tap on the thread or message so that it's selected, hit Recover on the bottom right, and then tap Recover Message in the pop-up that appears. You can also ...