HT4972: iOS 4: Updating your device to iOS 5 or laterLearn about iOS 4: Updating your device to iOS 5 or later
Currently Being ModeratedSep 21, 2013 5:35 PM (in response to mm1overlord)
Update it from iTunes on a computer as described at the bottom of this article; devices running an iOS version prior to 5.0 can't be updated straight from the device. It will be updated to the newest iOS release supported by the device’s hardware.
The maximum iOS version for the third generation iPod touch and original iPad is 5.1.1.
The maximum iOS version for the fourth generation iPod touch and iPhone 3GS is 6.1.3.
Currently Being ModeratedSep 22, 2013 6:31 AM (in response to mm1overlord)
For a 3G you need iTunes 10.5 or later on the computer. For a 4G (cameras) yu need iTunes 10.7 or later