Re-enable DFU mode in Mac OS X 10.5.6

this post will help them who are using hacked iPhone and mac os x 10.5.6(released December 15th ‘08). if you want to jailbreak or upgrade the firmware of your iPhone using mac os v10.5.6(released December 15th ‘08) then you have to follow these steps otherwise your new mac os will not support to upgrade your hacked iPhone. it’s unclear if apple did this intentionally or if it’s a bug in the kernel.

you are required to be logged in as an administrator and you must provide the admin password.

• checks if you are at mac os x 10.5.6 or better (if not will quit)
• quits all running apps (with save option)
• backup the original files (AppleUSBHub.kext and IOUSBCompositeDriver.kext from 10.5.6) in a new folder on your Desktop
• asks for your admin password
• copy AppleUSBHub.kext and IOUSBCompositeDriver.kext from 10.5.5 into the desired location on your mac
• set owner:group and permissions
• rebuild the kextcache
• reboot your mac

download the automator application from here.

http://www.iphone-hacks.com/downloads/Install_IOUSBFamily_kext_10_5_5.zip

1. unzip the archive
2. place the “Install_IOUSBFamily_kext_10_5_5″ folder on your Desktop (This is important)
3. open the folder and start the application “Fix_DFU_10_5_6″
4. you will see the readme box (click “OK”)
5. provide your admin password

let the Application do it’s job

6. at the end the Finder will open another dialog box telling you that the cache is being rebuild, click “OK” or just leave the box alone. after a couple of seconds your mac will reboot automatically – done, DFU is enabled again and your mac os x is ready to jailbreak your hacked iPhone.