iOS 4.2.1 is out for the iPhone, iPod Touch and iPad. You can easily upgrade to the latest iOS version by using iTunes. However, if you are having trouble with downloading or upgrading your iDevice to the latest iOS software, you can download the iOS directly to your computer and use the restore method to install the new OS. Download links for iOS 4.2.1 are listed below.
iOS 4.2.1 for iPhone users
iOS 4.2.1 for iPad users
iOS 4.2.1 for iPod Touch users
- Download iOS 4.2.1 for iPod Touch 4th Generation
- Download iOS 4.2.1 for iPod Touch 3rd Generation
- Download iOS 4.2.1 for iPod Touch 2nd Generation
iOS 4.2.1 is not available for iPhone 2G and below and iPod Touch 1st generation. If you have an older iPhone you might want to convert the iPhone to an iPod Touch.