The Very First 4.1, 4.2, 4.2.1 Unlock & Jailbreak software released for the iPhone 3G, 3Gs and iPhone 4
Although jailbreaking and unlocking both provide added benefits to an iPhone, jailbreaking a mobile phone is different from unlocking. Jailbreaking is generally risk-free, as it only adds features to a mobile phone that is otherwise fixed on the exclusive functionalities that its manufacturer provides. With an unlocked and jailbroken iPhone, users can explore of what their iPhone can offer. For these reasons, unlocking and jailbreaking iPhones have evolved to be a trend among iPhone owners.