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Thread: Downgrading from 4.0.2 to 4.0.1

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3G[S] Downgrading

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Hello my fellow iPhone users. I am very new to all of this, and I would much appreciate your help. I have the 4.0.2 software and would like to downgrade
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  1. #1
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    Default Downgrading from 4.0.2 to 4.0.1
    Hello my fellow iPhone users.

    I am very new to all of this, and I would much appreciate your help.

    I have the 4.0.2 software and would like to downgrade to 4.0.1 as I want to jailbreak my phone.

    Is it recommend to do so and could it effect my iPhones performance? And will it effect my iphone, if I want to upgrading iPhone software in the future?

    More importantly what is the easiest and safest way to do so?

    Please help me out.
    I understand if this is a repetitive question but I could not find an answer in any of the forums.

    Thanks in advance

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    Altiniphone (10-16-2010)

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    Super Moderator iYeow's Avatar
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    You can only downgrade if you have 4.0.1 shsh blogs.

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  5. #3
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    What is 4.0.1 shsh blogs?
    And how do I obtain it?

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    Super Moderator iYeow's Avatar
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    Download Tiny Umbrella
    What is your device ?

    Plug your iphone in
    Run Tiny umbrella
    Chech Adv Tab
    Device /Version : select your device 4.0.1 shsh
    Request : Cydia
    Click Save shsh
    Wait ... Tell me what your answer is.
    Last edited by iYeow; 10-16-2010 at 09:13 PM. Reason: Automerged Doublepost

  7. #5
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    i too am in the similar situation... when i run TinyUmbrella I have 4.1 (88117) installed... what do I need to do to proceed? Wait for an update? Or downgrade?

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    None of you need to downgrade to jailbreak. Just jailbreak where you are with limera1n.
    We're all just toymakers in the game of life.

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    Paratrooperunit (10-22-2010)

  10. #7
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    limera1n jailbreaks 4.02 so there should be no need to downgrade.

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  12. #8
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    well could you guys tell me why it does not work for me i have 4.0.2 on my iphone and i wanted it to be jailbroken so i tried limera1n and greenpoison and i even took it to the shop and they say its not out yet to do they say the phones bootrom is to new or something i have been without my phone for almost a month now and im mad as hell cause i thought this new software was going to do the job but im still without my phone i do know to try never let your phone crash on you

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    Default u
    if u have fiemware 05.14.02 4get about it.. u can JB but not unlock

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    Quote Originally Posted by bigtony 40 View Post
    well could you guys tell me why it does not work for me i have 4.0.2 on my iphone and i wanted it to be jailbroken so i tried limera1n and greenpoison and i even took it to the shop and they say its not out yet to do they say the phones bootrom is to new or something i have been without my phone for almost a month now and im mad as hell cause i thought this new software was going to do the job but im still without my phone i do know to try never let your phone crash on you
    Then the guys you talked to haven't been keeping up. Limera1n works on 4.0.2. Greenpois0n however only works on 4.1. My suggestion to you would be to restore to 4.0.2 (important, don't go to 4.1 as you will lose the possibility of unlocking) and then rejailbreak, this time only using limera1n.
    We're all just toymakers in the game of life.

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    dhamien you know your stuff i just tried myself again and i got my 3gs to jailbreak for me with limera1n with 4.0.2 on it and i got it on t-mobile now and im very happy as hell, so now i need two more things and thats how to configure my text messaging with t-mobile configurations and how to put istallus on my phone for apps

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    No pirating on this website, one more word about piracy , you will be banned by the moderators. Buy your apps , don't steal.

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    Hey guys. Sorry for the late reply.
    So all i have to do is download Limeera1n and that should jailbreak my phone?
    The only way I know how to jailbreak is by going onto the website jailbreakme and then 'soide to jailbreak' but it does not work and there is a message which states my phone software is to new and I can't do so.

    Once again I am very new to all this so If someone can tell me exactly what to do, step by step, it would be great!

    Thanks.

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    How do u get to limera1n?

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    Quote Originally Posted by Paratrooperunit View Post
    Hey guys. Sorry for the late reply.
    So all i have to do is download Limeera1n and that should jailbreak my phone?
    The only way I know how to jailbreak is by going onto the website jailbreakme and then 'soide to jailbreak' but it does not work and there is a message which states my phone software is to new and I can't do so.

    Once again I am very new to all this so If someone can tell me exactly what to do, step by step, it would be great!

    Thanks.
    Go to the site that yeow just posted and then download the jailbreak tool. Run it and follow the instructions. The program is basically just telling you how to put your phone into DFU mode.
    We're all just toymakers in the game of life.

  22. #17
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    Thanks again.

    But what is DFU mode and will it negatively effect my iphone preformance?

    and what is lemera1n?
    i thought to jailbreak the phone you have to go onto the website 'jailbreame' and then through that just download cydia.

  23. #18
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    Quote Originally Posted by Paratrooperunit View Post
    Thanks again.

    But what is DFU mode and will it negatively effect my iphone preformance?

    and what is lemera1n?
    i thought to jailbreak the phone you have to go onto the website 'jailbreame' and then through that just download cydia.
    There are two modes to trigger on idevice for restore: DFU and Recovery.
    Limera1n is a newer jailbreak that will jailbreak from 4.0 to 4.1.

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  25. #19
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    will it do the same thing as jailbreakme does?

    and also jailbreakme is more popular so should i not wait till it is able to jailbreak version 4.0.2?

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    Jailbreakme will only jailbreak at 4.0 and 4.0.1.
    Limera1n will hactivate and jailbreak 4.0.2 .

    Remember , you cannot apply jailbreak onto an already jailbroken iphone. You need a restore first before you apply this jailbreak.
    Last edited by iYeow; 10-22-2010 at 01:29 PM. Reason: Automerged Doublepost

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