With every iPhone update that Apple releases they try to find ways to crush advancements that the iPhone Dev Team are making. We expect firmware 2.2 will have a few different tweaks to prevent jailbreaking, what we didn’t expect was that the new MacBooks would be the next wave of defense.
People over at Howard Forums are complaining that they are unable to jailbreak their iPhone using the Pwnage Tool on newly purchased MacBooks. The new MacBooks do not recognize iPhones that are placed in recovery mode (DFU Mode), a vital step in the jailbreaking process. It seems the creation of the modified firmware is where Apple has decided to put an end to it. This is going to create problems because users who are not trying to jailbreak their phones can not restore their iPhone anymore.
It seems the way Apple has stopped progress is in a small software modification as not much else has changed. It looks like the culprit in this case just may be the new build of iTunes. As with all the attempts that Apple makes to stop people from jailbreaking their phones, it is only a matter of time before the iPhone Dev Team finds a way around it.