iPhone Dev-Team Asks 3GS Owners to Prepare for Jailbreak

iPhone Dev-Team Asks 3GS Owners to Prepare for Jailbreak

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The iPhone Dev-Team has asked 3GS owners to prepare for the upcoming jailbreak by capturing their iBEC and iBSS files.

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Remember we warned you to stay away from any updates to 3.1 if you want to be able to jailbreak or unlock your 3GS.

Well this is an additional message to all you 3GS owners that would like to jailbreak your device sometime soon, but this advice comes with a warning! A warning that if you accidentally upgrade to 3.1, you will not be able to use Ultransn0w, so please re-read and double check this warning at the bottom of this post before proceeding.

You may have read or heard about techniques to capture files during the iTunes restore process. These will be required to jailbreak your phone in the near future, most of the methods involve icky USB snoops. Well, there is an even better and more reliable method to get your hands on those lovely files.

During the restore process iTunes nicely keeps these oh-so-top-secret-files in a lovely accessible place for us to copy out and backup, that place? /tmp on Mac OS X or %TEMP% on Windows. Thanks Apple — handy!

The downside to this approach is that you actually need to go through the restore process to get these signed files, which has risks if you are anywhere near 3.1 or 3.1 beta :-)

If you are ready to proceed and you know the risks we’ll get down to the nitty-gritty -

So during a usual recovery with iTunes, your signed iBEC is written to /tmp and during a DFU mode restore the signed iBSS is written there also. To be sure, restore in both modes one after another to be able to grab them both. You’ll need to keep an eye on the temp directory and copy it before it is deleted again by iTunes. I’m sure some nice folks will create a tutorial about this, we’ll link to the first person who makes a good one.

Should you choose to accept this mission, act fast, this needs to be done quickly! But again, always, always double check here to see if 3.1 has been released, if is has, then don’t do this.
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You can find instructions on how to do this here: Windows, Mac

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pancholelo - July 2, 2009 at 8:29pm
So, I used the ECID to generate the unique certificate and also obtained the signed iBEC and iBSS files. They are about 103kb correct? Anything else I need to do so far? Thanks for your help.
pekay - July 2, 2009 at 5:46am
Does it mean, that when 3.1 is out, this method of preparation won\'t work anymore even if I restore 3.0 firmware?
DistortedLoop - July 2, 2009 at 9:46am
Yes, that\'s the implication. Apple will probably break this method with the 3.1 update, or secure it. Also, for unlockers, 3.1 changes the baseband, which may be un-unlockable.
B00t - July 2, 2009 at 5:08am
This is getting ridiculous! I got the files, but this seems like there will be a lot of peeps that can\'t play with the 3gs, kinda sad for the avg user...
vincentdolbydigital - July 2, 2009 at 3:57am
I made a video tutorial on this How to Capture Your iPhone 3GS iBEC and iBSS (Windows) http://www.youtube.com/watch?v=34FA6M-hhQ0 not sure if it is finished processing but please be patient.
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