How to downgrade iOS 4.3 to iOS 4.2.1, 4.1 on iPhone 4, 3GS, iPod Touch 4G, 3G, iPad. guide to Downgrade iOS 4.3 to 4.2.1, 4.1 firmware. tinyumbrella

iOS 4.1 Beta was seeded to developers yesterday. Since the iOS 4.1 is currently only jailbreakable on iPhone 3G and iPod touch 2G (non-MC model), you may want to downgrade your ...

iOS 4.2 was released earlier today. Just like iOS 4.1 and iOS 4.0.2, the new iOS 4.2 at the moment is not jailbreakable. It also contains new baseband for all iOS devices which ...

Apple has just released iOS 4.3 for the iPhone 4, iPhone 3GS, iPod Touch 3G, 4G, and iPad to developers.If you accidently updated your firmware to the new iOS 4.3, you can use ...

Apple has already released an update version of iOS, iOS 4.3.1 for iPhone 4, iPhone 3GS, iPad 2, Original iPad, iPod touch 4G/3G. The latest update is meant to fix some minor ...

Here are the steps to downgrade iOS 4.2.1 to iOS 4.1 / 4.0.2 / 4.0.1 on iPhone 4, 3GS, 3G, iPod Touch 4G, 3G, 2G (MC, MB models), and iPad. Cydia not working..

Yesterday at WWDC 2011 Apple demoed iOS 5 along with Mac OS X Lion & iCloud service, iOS 5 beta is immediately made available to registered developers

So you tried everything to revive your iPhone but failed. This post may save your iPhone.

Users who want to downgrade their iPhone 3G and iPhone 3GS devices after accidentally upgrading to iOS 4 will find this guide useful, thanks to commenter Kamrul

iOS 4.3.3 is out with Location tracking bug fix. In case you have updated to iOS 4.3.3 and want to downgrade iOS 4.3.3 to 4.3.2 / 4.3.1 / 4.3 / 4.2.1 on iPhone