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Discuss Restored iPhone to 3.1.2 without ECID on file for 3.1.2 (WEIRD) at the iPhone 3GS - Hackint0sh.org; Originally Posted by Olethros As long as you have an old bootrom 3GS and you ...
  1. #11
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    Quote Originally Posted by Olethros View Post
    As long as you have an old bootrom 3GS and you are already jailbroken you can restore any custom IPSW. This is because the jailbreak removes the checks for SHSH.

    Restoring to original Apple IPSW (eg 3.1.3) will put these checks back into place. This happens very early in the restore process, so you can't use this to trick a restore of original 3.1.2
    Just want to expand on this a little bit.

    on iphone 3gs with OLD bootrom, once jailbroken, the LLB is pwned and therefore removes the checks for SHSH as Olethros said.

    You can restore to stock firmware ONCE without an shsh here but you have to do it when the phone is connected in itunes, you can shift-click restore to stock. YOu cannot do this in DFU mode .... Once you do that, your phone will loose jailbreak and you have to JB it again to pwn the LLB again and remains on JB train.
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  2. #12
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    Does it mEan that if I want I can restore a 3.1.2 stock firmware while being on a jb 3.1.2 without shsh on cydia and then jb it again using a tool like redsn0w or blackra1n??
    I'm asking this coz I have already restored my phone to a custom 3.1.2 about 4 - 5 times because of having wifi issues. Also while having these wifi issues when I do reset network settings. My 3gs goes into a boot loop. I read it somewhere that restoring to a stock 3.1.2 would fix this issue.
    Thanks for the explanation regd. my query to you both.

  3. #13
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    Quote Originally Posted by rushiparikh View Post
    Does it mEan that if I want I can restore a 3.1.2 stock firmware while being on a jb 3.1.2 without shsh on cydia and then jb it again using a tool like redsn0w or blackra1n??
    yes - but you do it itunes, shift-restore. No need to recovery mode and absolutely DFU mode. If you do in DFU, it will require shsh. Note: iphone must have old bootrom

    I'm asking this coz I have already restored my phone to a custom 3.1.2 about 4 - 5 times because of having wifi issues. Also while having these wifi issues when I do reset network settings. My 3gs goes into a boot loop. I read it somewhere that restoring to a stock 3.1.2 would fix this issue.
    Thanks for the explanation regd. my query to you both.
    Yeah, i hear about this boot loop more often now.
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  4. #14
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    I'm so sorry for what i said in post #11 and #13 above.

    I just ran some tests again and it seems like you still need the shsh when restoring with a stock fw eventhough the LLB on iphone is pwned.

    I swear i have tested this before and it worked.
    Let me do some more testings ....

    EDIT: My apology for the statement made in post #11 and #13. What i described will not work. To restore to stock fw, you will need SHSH even if the LLB is pwned.

    Thanks
    Last edited by dtube; 03-12-2010 at 09:34 PM.
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