iPod issues
What happens if iPod 4 home page button gets broken and it also gets disabled
iPod touch, iOS 6.1.2
Place the iPod in recovery mode using one of these programs and then restore via iTunes:
For PC
RecBoot: Easy Way to Put iPhone into Recovery Mode
If necessary:
Download QTMLClient.dll & iTunesMobileDevice.dll for RecBoot
For MAC or PC
The Firmware Umbrella - TinyUmbrella
For how to restore:
iTunes: Restoring iOS software
To restore from backup see:
If you restore from iCloud backup the apps will be automatically downloaded. If you restore from iTunes backup the apps and music have to be in the iTunes library since synced media like apps and music are not included in the backup of the iOS device that iTunes makes.
You can redownload iTunes purchases by:
Downloading past purchases from the App Store, iBookstore, and iTunes Store