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Thread: Sticky: Downgrading from 4.0.2; Upgrading from 3.1.3

  1. #1
    Livin the iPhone Life eddietah's Avatar
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    Default Sticky: Downgrading from 4.0.2; Upgrading from 3.1.3
    Hi guys,

    A lot of questions have been asked about downgrading from 4.0.2. Let me repeat this statement:

    If you have an iPhone on firmware 4.0.2 and you have no icon named Cydia on your home screen of your iPhone, I am sorry to tell you that your iPhone cannot be downgraded to 4.0.1.

    No amount of asking, questioning, pleading, crying or scolding can change that fact. So this article is not for you obviously.

    Now, on to the good news. For those who are meet the criteria above or have the older iPhone 3G/S on firmware 3.1.3 you can downgrade/upgrade to 4.0.1. Just follow the article I've attached below:

    Downgrade from iOS 4.0.2 to iOS 4.0.1, iOS 4.0, Jailbreaking Guide for iPhone 4, 3GS, 3G and iPod Touch.

    If you have any doubts or questions not related to the first statement I've highlighted in bold and red, just leave down a post here and I will try my best to assist you when I come back tonight.

    Have fun!

  2. #2
    so can you explain why i downgraded to 4.0.1 from 4.0.2 if its not possible

  3. #3
    Livin the iPhone Life jkmonkey's Avatar
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    Um yeah, this just isn't true. There ARE cases where a phone can be downgraded from 4.0.2 to a lower firmware. A 3G can go to 3.x without any problem, and they can even be jailbroken on 4.0.2. 3GS's and 4's can be downgraded if they have shsh's saved.

  4. #4
    What's Jailbreak? barret752004's Avatar
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    I just upgraded my phone from 3gs to 4. I had shsh saved for my old phone. Can I use shsh from my old phone downgrade new phone?

  5. #5
    Livin the iPhone Life jkmonkey's Avatar
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    Quote Originally Posted by barret752004 View Post
    I just upgraded my phone from 3gs to 4. I had shsh saved for my old phone. Can I use shsh from my old phone downgrade new phone?
    No, shsh's are specific to each device.

  6. The Following User Says Thank You to jkmonkey For This Useful Post:

    barret752004 (2010-08-22)

  7. #6
    Retired Moderator j3st3r's Avatar
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    not to mention that tinyumbrella will save your shsh's without being jailbroken

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    barret752004 (2010-08-23)

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