The 10.5.6 update for Mac OS X Leapord that Apple released yesterday prevents your Mac from recognizing your iPhone in DFU mode, making it impossible to jailbreak and/or unlock it using PwnageTool or QuickPwn.
The iPhone Dev Team believes that it is due to a kernel bug rather than a specific countermeasure by Apple. They have also provided possible fixes.
But more importantly they have also provided the release date for their software unlocking method for iPhone 3G which we all have been waiting for.
The cat and mouse game between the iPhone hacking community and Apple
has taken another twist with the latest update for Mac OS X Leapord.
It has been observed that the update prevents your Mac from recognizing your iPhone in DFU mode (or device firmware update mode). This is the mode that is commonly used as the last option to restore an iPhone when things go horribly wrong while updating or hacking your iPhone and iTunes refuses to recognize your iPhone, making it impossible to jailbreak and/or unlock it using PwnageTool or QuickPwn.
You might remember that the new 2008 MacBooks (Pro, Air, and regular) all had issues with DFU mode.
The iPhone Dev Team believes that it is due to a kernel bug rather than a specific countermeasure by Apple. They have also provided possible workarounds (which you can try at your own risk).
But Erica Sadun has been told that Apple’s USB engineers have confirmed off the record that it was a deliberate move to break pwnage.
The iPhone Dev team has provided possible fixes which they have noted that one should try at their own risk:
1. Replace the following plugin kexts from within IOUSBFamily.kext with the ones from 10.5.5 and then rebuild kextcache (if you don’t understand this, then you shouldn’t attempt it!)
2. Use a USB hub in-between the DFU device and the Mac and insert/reinsert the iPhone’s USB cable.
3. Use a PwnageTool created .ipsw on Windows!
I would advice you to delay your 10.5.6 upgrade until the dev team includes a workaround in their latest iPhone hacking tools or at least till the time the USB hub workaround has been adequately tested.
Update on Unlocking iPhone 3G
The most important news from the iPhone Dev Team is the update on their eagerly awaited software method to unlock iPhone 3G. They have successfully unlocked iPhone 3G. They have made the following announcement on their blog:
We have been working hard on a few other things. The main one being the 3G unlock codenamed “yellowsn0w”. This is now completed and is currently being packaged into a user-friendly application with the simplicity that you see in QuickPwn or BootNeuter.
The target release date for the unlock is New Year’s Eve 2008.
This unlock method is available to iPhone 3Gs that have 2.11.07 baseband or earlier, we did warn you.
The unlock requires a jailbroken 3G iPhone.
This will be a great new year gift who have been patiently waiting for the iPhone Dev team to release their hacking tools to unlock iPhone 3G.
I have some good news, check out the simple steps to re-enable DFU Mode in Mac OS X 10.5.6 to jailbreak and unlock iPhone.
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