Progress Update On Untethered Jailbreak For iPhone 4S

News | Wednesday December 14 2011 10:10 AM | Comments (0) Tags: , , , ,

Yesterday, iOS hacker – pod2G had reported that
, didn’t work with iPhone 4S.
He had mentioned that he was having processor caching issues. He has just provided another update on the iPhone 4S jailbreak, in which he has revealed that he has made progress on the 
.
OK, figured it out, the A5 cache is not a problem anymore.
I sorted it out by doing the untether in a single thread and by flushing all the dcache then all the icache in a row at a strategical point of the process.
It took me like a hundred of tests to find the key. Hard for the nerves.
For the tech guys, here is a link explaining issues related to self modifying code ( or code patching ) on the ARM platform : http://blogs.arm.com/software-enablement/141-caches-and-self-modifying-code/
Another news : I discussed with @saurik today about the launchd boot process, and he’s found one missing piece of the puzzle I needed to have a perfectly stable jailbreak. He’s definitly one of the best iOS gurus out there. Thank you saurik!
So it looks like the jailbreak guru is getting closer to a jailbreak for iPhone 4S, which should also work on an iPad 2.
release imminent, it remains to be seen if pod2G will release the untethered jailbreak soon or wait for Apple to release the iOS software updates.
As always, we’ll let you know as soon as we have any further updates, so stay tuned here at 
.

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