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.

Accidentally deleting a text message on your iPhone or iPad is not a problem if you still need the message. Apple has a built-in way to recover it.

You can utilize this feature to schedule text messages to be sent at a specified time. Open the Shortcuts App: Locate and launch the Shortcuts app on your iPhone.