HT4972: iOS 4: Updating your device to iOS 5 or later
Learn about iOS 4: Updating your device to iOS 5 or later
Q: How do I update my 2nd generation ipod touch to 4.2.1
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Apr 15, 2014 10:50 AMby Niel,You appear to have a fourth generation iPod touch and not a second. Append the last three characters of its serial number to http://www.everymac.com/ultimate-mac-lookup/?search_keywords= and load the page.
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Apr 15, 2014 2:25 PMby lllaass,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 10 or higher. If a Mac it requires OSX 10.5.8 or later.
- A 3G to 5.1.1 Requires iTunes version 10.5 or later
- A 4G to 6.1.6 Requires iTunes version 10.7 or later. For a Mac, that requires a Mac with OSX 10.6.8 or later
Downgrading the iOS is not supported by Apple. You can ony restore/update to the latest iOS version for your model iPod
