Now you can free download official Apple iOS 4.2.1 for iPhone, iPad, iPod touch, itouch with full guide of how to download and install iOS 4.2.1. Apple recently released the latest version of iOS 4.2.1. This latest version of iOS bring new exciting features for iPhone, iPad, iPod touch and itouch. These features including Multitasking, Folders and Game Center for iPad, AirPrint, AirPlay, and other system wide changes and improvements. After downloading iOS 4.2.1 you can also download latest version of RedsnOw 0.9.6b3 to Jailbreak iOS 4.2.1. Now the question is !.
How to download and install iOS 4.2.1
To update you existing iOS into iOS 4.2.1 all you need to do is to connect your iPhone, iPad, iPod touch or itouch with your computer via USB cable and start iTunes 10.1. Now you should see the pop up message as you can see below. You simple just click on “Download and install” button to update to iOS 4.2.1.
You can also download iTune 10.1 for Windows and Mac.