iPod touch does not have software update feature
Ipod could not be restored unknown error (-1). Any ideas?
iPod touch, iOS 2.x
To update
The Settings>General>Software Update comes with iOS 5 and later.
Connect the iPod to your computer and update via iTunes as far as your iPod model allows
iOS: How to update your iPhone, iPad, or iPod touch
A 1G iPod can go to iOS 2.2 via iTunes and iOS 3.1.3 via
Purchasing iOS 3.1 Software Update for iPod touch (1st generation)
https://buy.itunes.apple.com/WebObjects/MZFinance.woa/wa/touchLegacyLandingPage
- A 2G to 4.2.1. Requires iTunes version 1o or higher. If a Mac it requires OSX 10.5.8 or later.
I suspect you have athe original (1G) iPod
Attempt to restore your iOS device two more times. If the issue is still unresolved, the device may need service.
The "device may need service" means a hardware problem. In that case make an appointment at the Genius Bar of an Apple store.
Apple Retail Store - Genius Bar
Also see: