Hacker Jailbreaks iPhone 3GS Running iPhone OS 4.0 Beta 4

News | Monday May 24 2010 7:24 AM | Comments (0) Tags: , , , ,

Kaatje explains that the process involved creating a custom ipsw file for iPhone OS 4.0 and restoring it on her iPhone 3GS using
“I accomplished this by patching asr, lockdownd, LLB, iBEC, IBSS, iBoot, kernelcache, MobileSafari, Services.plist, and fstab. The binaries were patched with IDA Pro and OxED and were then diffed against the original pwned files with bsdiff to create patch files. I then took the diff files and built a firmware bundle that I dropped into Pwnagetool and updated the cydia tree within Pwnagetool as well. Once this was done, I created a custom ipsw with Pwnagetool, unzipped it, applied a pwned LLB from a pwnagetool generated 3.1.3 ipsw, zipped it back up and restored to my device.”
“This is a work in progress but I thought I would share the results so far. Cydia still has some issues, many applications install but crash, some examples include mobileterminal, sbsettings, five icon dock.”
The important thing to note here is that she managed to retain the baseband 05.11.07 on iPhone 3GS and doesn't update it to the new baseband included in the latest beta version of
, which means that the jailbroken iPhone 3GS can be
.
It will be interesting to see if the iPhone hacking community can stay ahead of the cat and mouse game when Apple releases the final version of iPhone OS 4.0.

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