Apple released the iOS 4.2.1 version for devices a few months ago iPhone, iPod Touch and iPad, but even now I see that there are some who do not find the direct download links for the OS / firmware upgrade.
Download iOS 4.2.1 ipsw direct links.
Download iOS 4.2.1 ipsw for iPhone 4 here.
Download iOS 4.2.1 ipsw for iPhone 3G S here.
Download iOS 4.2.1 ipsw for iPhone 3G here.
Download iOS 4.1 ipsw for iPod Touch 4the generation here.
Download iOS 4.2.1 ipsw for iPod Touch 3G here.
Download iOS 4.2.1 ipsw for iPod Touch 2G here.
Download iOS 4.2.1 ipsw for iPad WiFi/3G here.
Compared with the previous version, iOS 4.2.1 It comes with significant improvements and new applications for all the devices that support this version update.
AirPrint, AirPlay, Find My Phone, Safari Search and other applications customization options, are just some of the novelties brought by this release.
