See my earlier post about backing up settings from your old device if that's the way you'd prefer to go. But on your new device, where are your MP3 files now saved? Ideally I would suggest they should be in a folder in your top level storage, called maybe "Music Folders" or "My Music" or "Audio" (to separate it from Android's own "Music" folder, although that would do fine too). If not, use the Files app (or a file explorer app of your choice) to move them there. Then once all your aud