Restore ipod without updating version validating dom
Note that i Tunes creates a backup only once each time i Pod touch is connected to your computer, before the first sync that occurs.
If you sync again, i Tunes doesn’t create another backup.
Creating a Backupi Tunes creates a backup of i Pod touch when you: Sync with i Tunes By default, i Tunes syncs i Pod touch each time you connect i Pod touch to your computer.
To turn i Pod touch back on, press and hold the On/Off Sleep/Wake button until the Apple logo appears.
If you can’t turn off i Pod touch or if the problem continues, you may need to reset i Pod touch.
Windows If you’re using a Windows computer, follow the steps from the Microsoft support site. Errors 1639, 3000-3020, and 3100-3999 (with the exception of 3194) are sometimes caused by your network settings.
Resetting the hosts file affects software services that rely on hosts file redirects. Enter the password you use to sign in to your computer and press Return. If you don't see a window similar to the one below, make sure you're using a nonblank administrator password. Navigate using the arrow keys and look for an entry containing “gs.apple.com”. If your computer uses a managed network, refer to your network administrator.