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Discuss [DOWNGRADE] Downgrade iPhone 3G 3.0 to 2.2.1 at the iOS 3.x (iPhone OS 3.x) - Hackint0sh.org; Originally Posted by olive261 I still have not managed to downgrade my iPhone 3.0 to ...
  1. #71
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    Quote Originally Posted by olive261 View Post
    I still have not managed to downgrade my iPhone 3.0 to 2.2.1
    I use a mac and I don't have a PC. Moreover I'm french and i have
    some difficult to understand...
    I summarizes, When i Try to downgrade 3.0 to 2.2 with itunes, I get
    a "error 21" (and not 1106) Error message appared at the beginning of the
    process and i think that the 2.2 have no time to settle.
    So I try to use Quickpwn unsuccessfully (quick don't find my phone)
    SO i Try to use Pwage and create a custom 2.2, but when i try to install this custom, Itunes give me this error 21...

    Can someone help me with precise Tuto ???
    Or can someone register in the official SDK 3.0, It will be very nice...

    Thanks
    that means you are not getting the iphone into DFU mode.

    Put the phone to DFU and try again! you have get error 1011 or 1013 or 1015.


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    Quote Originally Posted by nitosoft View Post
    im definitely having some remorse for installing 3.0, eventhough im back to 2.2.1 and have mostly everything working again i still cant restore to any firmware succesfully on my mac anymore, need to do it on the pc downstairs and that is total crap.
    from now on you will always get an error when trying to restore since ur baseband is the one that comes with 3.0...so until 3.0 comes out in summer you will get error when restoring MAC or WIndows

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    Quote Originally Posted by mocque View Post
    from now on you will always get an error when trying to restore since ur baseband is the one that comes with 3.0...so until 3.0 comes out in summer you will get error when restoring MAC or WIndows
    its weird after all my problems last night i just got it to install to an pwned ipsw without any errors just like it used to solely on my mac, so confusing.

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    I would be more than happy to add anyones UUID to the dev list. Paypal $9 to robsky@me.com with your UUID

    You can check your UUID in iTunes, select your iphone and click on the serial number and it will change to the UUID

    On mac you can go to applications>utilities>system profile and on the left menu select USB and select iphone from the right box, next to serial number it should show the UUID

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    Default please help

    i am helpless! please take my iphone in the developer program because i am a stupid 15 year old german who tooks 3.0 without thinking a little bit! if anyone want to help me please send a mail to dennis.zagorski@yahoo.de within what i have to do! i aint got no money

    thanks a lot!!!


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    Quote Originally Posted by chiefduck View Post
    i am helpless! please take my iphone in the developer program because i am a stupid 15 year old german who tooks 3.0 without thinking a little bit! if anyone want to help me please send a mail to dennis.zagorski@yahoo.de within what i have to do! i aint got no money
    It's hard to have sympathy for people that do stuff like this.

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    I have tried all methods, and have so far failed as it comes up with error 1604, instead of the deisred error number as above when downgrading from 3.0 to 2.2.1... Has anyonw else experienced this problem or know what the solution might be, and how to get the right error? Ive tried restoring back to 3.0 again and then back to 2.2.1 but no luck

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    I hope this will help anyone having trouble with 1604 or 21 errors:

    1) If you have a 20 or 21 error, you need to use a PC to do the downgrade more than likely. Your Mac has 10.5.6 which disables DFU.

    on to the 1604, this error maddened me for a couple of days until I FINALLY figured it out.

    1) It is imperative that you put your phone into DFU mode. Seems the thing causing the 1604 error is that you need to put your phone into full DFU mode. They way to do this can be seen in this video here:

    YouTube - How to put your iPhone in DFU mode

    If you're in DFU mode, the screen should be completely blank

    follow through the steps as previously mentioned, when you error finally begins with 10xx, you need to open QuickPwn and follow the steps when it tells you to "reset" your device. Do not do anything with QuickPwn yet if you have AT&T, instead connect to iTunes and let it activate your iPhone. From then, you can jailbreak through QuickPwn if you desire.

    Hope that helps! It should if you follow everything correctly!

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    OMGOMG thank you..

    This has successfully brought my iphone back to life BUT the phone part is still dead I have no signla and cant send/ recieve texts or calls..

    Im based in New Zealand

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    "Do not do anything with QuickPwn yet if you have AT&T, instead connect to iTunes and let it activate your iPhone. From then, you can jailbreak through QuickPwn if you desire."

    READ THIS OVER AND OVER!! Thank you once again, its all fixed D:: kudos


 

 

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