If you’ve changed a ton of settings on your iPod Touch and just want to go back to the way they all were, there’s a setting for that.
1. From the Home screen, select Settings.
2. Tap General.
3. Scroll to the bottom of the screen and tap Reset.
4. Tap Reset All Settings.
5. Tap Reset All Settings again to confirm your selection.
All iPod Touch preferences and settings are reset. Contacts, music, videos, etc. are not deleted.