iPhone 3GS Chronic Dev says, "Get the USB dump now" to iPhone 3GS users.

Discussion in 'iPhone' started by sprint_user, Jun 26, 2009.

  1. sprint_user

    sprint_user New Member

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    From Chronic Dev:

    PurpleRa1n:

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    Instructions:
  2. SumDaii

    SumDaii Active Member

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    OMG...

    WAit, i don't have an iphone, lol... but good luck 3GS users.
  3. d00m42

    d00m42 Member

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    I was considering upgrading from a 3G to a 3GS, but I am not quite decided yet. If I do upgrade soon though, I'll be sure to do this!
  4. jfb392

    jfb392 New Member

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    I'm not sure if this will be needed in the long run, since the teams seem to be thinking the worst of Apple.
    I mean, it's entirely possible they'd disallow downgrades, but I think it'd cause a big stir.
    Plus, new iBoot exploits could be found, removing the need to downgrade, but that means burning an exploit for nearly every firmware revision.
    There may not even be a usable bug in minor revisions, so this is not really feasible (the situation is comparable to the X-Gold situation; no usable bugs were in 2.30.03 (2.2.1), but there were new bugs exposed in 4.26.08 (3.0)).

    Of course, that shouldn't stop you from doing this if you can, since you never know what Apple will do.
    This code is using Apple's servers, which the code has no control of.
    It simply sends data to it and handles the reply it gets, so the ball is really in Apple's court here.
  5. Bigcavs

    Bigcavs New Member

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    pretty sure there doing it with the 3g model too my friend took his phone in today to gett a new one because of rattling they replaced it but was told not to restore it before he comes next time from a jailbreak ..... i told him that he was probably just trying to force him to lie but what the sh*t apple?
  6. Abcmsaj

    Abcmsaj Retired Moderator

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    How do you do this for Mac? It's not in the instructions?

    My Bad, skipped that bit

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  7. dast1g

    dast1g New Member

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    why do we have to do this?
  8. Abcmsaj

    Abcmsaj Retired Moderator

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  9. jfb392

    jfb392 New Member

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    That has nothing to do with ECID.
    Your friend restored from backup and had jailbroken data put back onto his phone, so Apple knew.

    Plus, they wouldn't bother doing this with the 3G.
    It's using a vulnerable processor that is no longer used anymore.

    Apple can possibly arbitrarily control our ability to downgrade.
    If you have a certificate, you'll be able to decrypt an image that will be seen as valid by your phone.
    This is important, since an exploit may lie only in the 3.0 7A341 firmware, so having access to an image that can be run by your phone that contains the exploit is important.
  10. Bigcavs

    Bigcavs New Member

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    thanks bra

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