Search for or rename a recording in Voice Memos on iPhone
You can search for your recordings in the Voice Memos app , and rename any recording.
Search for a recording
In the Voice Memos list, swipe down to reveal the search field.
Tap the search field, enter part or all of the recording name, then tap Search.
Rename a recording
A recording is initially saved with the name New Recording or the name of your location, if Location Services is turned on in Settings > Privacy.
To change the name, tap the recording, tap the name, then type a new one.