Self-sent messages disappeared in Messages on iPhone 14 Max

Check the Recently Deleted folder

• Open the Messages app.
• Tap Edit (top-left of the conversation list).
• Select Show Recently Deleted.
• If your reminders are there, choose them and tap Recover.
• Messages stay here for up to 30 days before being permanently erased.

Search Messages by Keyword

• Open the Messages app.
• Swipe down on the conversation list to reveal the search bar.
• Type in a word or phrase you know appeared in your self-sent reminders (e.g., “meeting,” “note,” “reminder”).
• If those messages still exist anywhere in your threads, they’ll show up in the search results—even if the conversation itself looks empty.