iOS 4.2.1 for iPhone, iPad, iPod touch Direct Download February 5, 2011 // Gradly // Apple, blog, Download, iPhone device current version iPhone 3G (iPhone1,2) 4.2.1 iPhone 3GS (iPhone2,1) 4.2.1 iPod Touch (2G) (iPod2,1) 4.2.1 iPod Touch (3G) (iPod3,1) 4.2.1 iPod Touch (4G) (iPod4,1) 4.2.1 iPad (iPad1,1) 4.2.1 iPhone 4 (iPhone3,1) 4.2.1