iOS 4.3 Beta IPSW firmware was released by Apple. iOS 4.3 beta firmware IPSW is available for iPad, iPhone, iPod Touch and Apple TV 2G. Download iOS 4.3 Beta 2 from here Note this is a beta version which is only available for developers. This is useful for iPhone Developers. Developers can Download iOS 4.3 [...]

You can get iOS 4.3 untethered jailbreak if you preserve the iOS 4.2.1 iPSW and SHSH. Comex was planing to release untethered jailbreak tool for iOS 4.2.1 but failed to do so and was provided through redsn0w 0.9.7. But, the above method needed 4.2 b3 hashes to achieve untethered jailbreak. As the below tweet conversations [...]