(adsbygoogle = window.adsbygoogle || []).push({}); If you are trying to upgrade your ipod and the download will not finish, make sure your iTunes is up to date. Sometimes, it will not update your iPod unless iTunes is updated first. If you've had this problem I hope this helps.

should've explained lots more for this

That's all you need to know. Update iTunes to update your iPod. Simple as that.