Though this isn't the official untethered jailbreaking solution for iOS 4.2.1, the iPhone Dev Team has produced a short demo video showing off a workaround method for getting it done now.
With Apple's recent release of the latest version of its mobile operating system, iOS 4.2.1, still warm on everyone's plate, the iPhone Dev Team has successfully jailbroken the update.
Sorry, Windows users, for the moment it's a Mac-only solution. Another consideration: with iOS 4.3 just around the corner, should you even bother?
Eudora 4.2.1 is released
We see how iOS 4.3 affects iPhone 4 performance compared with Android phones.
After introducing an API that allowed developers to check on an iOS device to see if its operating system had been compromised (read: jailbroken) less than six months ago, Apple has now unexpectedly dropped the functionality from iOS 4.2.1.
Tests conducted by Nokia Siemens Networks confirmed that Apple has included support for the Network Controlled Fast Dormancy technology developed by Nokia to reduce network congestion and improve battery life in iOS 4.2.1.
As Apple continues to make its case for the iPhone (and iOS) being a better business phone solution, bugs in iOS 4.2.1 are causing problems for people using Microsoft Exchange 2003.
Apple has just released a new version of the highly anticipated iOS 4.2 update for developers, iOS 4.2.1 Gold Master. Though the first Gold Master of iOS 4.2 was released weeks ago, Apple has yet to initiate a public release.