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Thread: 3GS Downgrade from 4.02 Help Please

  1. #1
    Unhappy 3GS Downgrade from 4.02 Help Please
    Well today i connected my pnone and i guess it got upgraded when i connected to charge...
    I really need help here i used to have 4.0 jailbroken and was using Ultrasnow for tmobile...
    so i do not has a valid simcard
    but i have had all shsh's saved from cydia
    i have tried to downgrade with adding 74.208.10.249 gs.apple.com in the host foolder
    and i even tried downgrading to 9.1 itunes
    I always get an error when i try to restore
    3002 or 2009 or 1601
    PLease i need help Fast

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    pbip07 (2010-08-17), tamaj (2010-08-18)

  3. #2
    I did the same damn thing

  4. #3
    Livin the iPhone Life Simtech's Avatar
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    Have you used umbrella to make sure your SHSH files are stored?
    And, iTunes does not automatically upgrade your phone, you have to answer YES at 2 different points to upgrade.

  5. #4
    um im not sure how to use it... but i know i should because ive had it jailbroken and unlocked for about a year now

  6. #5
    I'm not very good with this stuff, first time im trying to jailbreak my iphone, but i upgraded to the 4.0.2 not knowing that your not supposed to do that....is there anyone who can explain step-by-step how to downgrade from 4.0.2 to 4.0.1???

  7. #6
    Livin the iPhone Life Simtech's Avatar
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    Quote Originally Posted by Baseball6 View Post
    I'm not very good with this stuff, first time im trying to jailbreak my iphone, but i upgraded to the 4.0.2 not knowing that your not supposed to do that....is there anyone who can explain step-by-step how to downgrade from 4.0.2 to 4.0.1???
    3GS? you can't.

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    Has Apple stopped signing 4.0.1? So now its not possible anymore like it was a couple days ago to go to 4.0.1 without SHSHs?

  9. #8
    im pretty sure i have shsh all of them because i have had a constantly unlocked and jailbroken 3gs since august last year

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    Just b/c youve been unlocked and jailbroken doesnt mean you have the SHSHs. Did you go to Cydia and select "make my life easier"? Did you use TinyUmbrella to back them up on your comp?

  11. #10
    cydia always said that it had shsh's saved for them but i never used tiny umbrella before

  12. #11
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    If Cydia says you have them, you should be fine. Just get TinyUmbrella to make sure and double check that they are indeed saved. Some people are saying Cydia reports they have SHSHs but TinyUmbrella reports differently.

  13. #12
    but right now i cant access anything in my iphone it just has a black screen and it says connect to comp and i guess slide for emergency would the shsh still be on there?

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  15. #13
    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by 121293 View Post
    Well today i connected my pnone and i guess it got upgraded when i connected to charge...
    I really need help here i used to have 4.0 jailbroken and was using Ultrasnow for tmobile...
    so i do not has a valid simcard
    but i have had all shsh's saved from cydia
    i have tried to downgrade with adding 74.208.10.249 gs.apple.com in the host foolder
    and i even tried downgrading to 9.1 itunes
    I always get an error when i try to restore
    3002 or 2009 or 1601
    PLease i need help Fast
    Get your tiny umbrella here :
    The Firmware Umbrella

    Run it, grab it from Cydia, then you will know if you have the blogs.

  16. The Following 2 Users Say Thank You to iYeow For This Useful Post:

    121293 (2010-08-18), nice shot (2010-08-21)

  17. #14
    Mine said that as well that I have SHSH stored for 3.12, 3.13, 4.0 and 4.0.1 but I have never had 3.13 or 4.0 installed, I went directly from 3.12 to 4.0.1

    Not sure if Cydia actually has those or if its a bug, but if you don't have it stored and you have a 3Gs then you can't roll back because apple stopped signing 4.0.1 and you will need to wait until something comes out for 4.0.2 which may be a bit or not at all considering 4.1 is out there for app developers

    If you depend on unlock make sure you never again make the mistake of blindly upgrading without checking or you are guaranteed to end up with an expensive ipod again in the future.

  18. #15
    i tried running it but i got
    08/17/2010 22:23:33.213 Device Detected - Device: INVALID X.X.X (XXXX) Model: MC135LL/A Name: Kevin's iPhone Baseband: 05.13.04 - 6.4_M3S2

    ok i got my shsh for 4.01 now how do i use it? please i need help asap
    Last edited by 121293; 2010-08-18 at 08:04 AM. Reason: Automerged Doublepost

  19. #16
    Retired Moderator iYeow's Avatar
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    Point your hosts file to Cydia.
    Put your iphone into DFU mode.
    Shift + Restore to the 4.0.1 you downloaded.
    You will error at 1015 if everything goes well.
    Use Tiny Umbrella, ireb 3.1.2 or Recboot to boot up
    Insert your official sim card
    From Safari, go to jailbreakme.com
    Slide to jailbreak.

    Read this, this will teach you how to point your hosts file to Cydia.
    Restore iPhone 3GS to 3.1.2 Using SHSHs on File with Cydia | Windows

    Quote Originally Posted by risestar View Post
    Mine said that as well that I have SHSH stored for 3.12, 3.13, 4.0 and 4.0.1 but I have never had 3.13 or 4.0 installed, I went directly from 3.12 to 4.0.1

    Not sure if Cydia actually has those or if its a bug, but if you don't have it stored and you have a 3Gs then you can't roll back because apple stopped signing 4.0.1 and you will need to wait until something comes out for 4.0.2 which may be a bit or not at all considering 4.1 is out there for app developers

    If you depend on unlock make sure you never again make the mistake of blindly upgrading without checking or you are guaranteed to end up with an expensive ipod again in the future.
    Once you do the jailbreak at 3.1.2 and the first time you open Cydia and select make my life easier, then all later version of OS will be automatically saved by Cydia.
    Last edited by iYeow; 2010-08-18 at 09:29 AM. Reason: Automerged Doublepost

  20. #17
    Quote Originally Posted by risestar View Post
    Mine said that as well that I have SHSH stored for 3.12, 3.13, 4.0 and 4.0.1 but I have never had 3.13 or 4.0 installed, I went directly from 3.12 to 4.0.1

    Not sure if Cydia actually has those or if its a bug.....
    This has happened because Cydia will have requested the SHSH for you, you don't need to be on a certain version of the firmware to get the latest SHSH blob. For example, if someone was on 3.1.3 they can request 4.0.2 now without upgrading. That is the only one they get.

  21. #18
    how do you point hosts file to cydia?
    ussually i start with
    1. plug in my phone so it shows up on itunes and itunes says that i cant do anything because its not a valid sim
    2. i open tiny umbrella and start tts server( at this point my iphone shows up as invalid x.x.x(xxxx) or somwthing like that in umbrella
    3. i start iphone in dfu mode and try to update with the shift( not my iphone doesnt show up on the umbrella menu it says connect device)
    4. my iphone turns on around "preparing iphone for restore"
    5. then i would get unknown error 1601

    4. it gets to preparing phone

    oh and should i be using 9.1 or 9.2?
    Last edited by 121293; 2010-08-18 at 04:53 PM. Reason: Automerged Doublepost

  22. #19
    iPhone? More like MyPhone mrrippey's Avatar
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    Does it matter how you jailbroken the 3Gs? I have an iPhone on 3.1.3 jailbroken with Spirit and I want to get to 4.0.1. Cydia has my SHSH on file for 3.1.3, and 4.0.1 so I am hoping I can upgrade 4.0.2 and then downgrade to 4.0.1 right? Can't I just goto 4.0.1 from 3.1.3 now if I already have my SHSH's on file? That would be great actually.
    Rippey
    iOS 4.0 3Gs 32GB on the lamb
    Still has nice things on it, pictures too

  23. #20
    Retired Moderator iYeow's Avatar
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    No, no,no, do not upgrade to 4.0.2.
    To get to 4.0.1 from 3.1.3, you have to point your hosts file to Cydia first then you shift + restore to 4.0.1 ipsw. You have to upgrade Itunes to atleast 9.2 otherwise you will get errors.
    Last edited by iYeow; 2010-08-18 at 08:31 PM.

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