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Thread: Down grading 3G 4.1 TO 4.0

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I have a 3G currently on 4.1 I would like to downgrade it to 4.0 I have saved SHSH in TU iphone 3G 4.0 (8A293) is it possible for me
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  1. #1
    Green Apple
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    Default Down grading 3G 4.1 TO 4.0
    I have a 3G currently on 4.1 I would like to downgrade it to 4.0 I have saved SHSH in TU iphone 3G 4.0 (8A293) is it possible for me to downgrade to 4.0? Will this also change the base band? I tried to down grade using TSS in TU,I also had the phone in DFU mode holding the power and home buttons (black screen), but when I do a shift restore in itunes I get an error message saying (the iphone "iphone" could not be restord because the firmware file is not compatible. Am I doing something wrong, or is it not possible to do what I am trying to do? Any help would be great.

    Thanks in advance,
    Skernie
    Last edited by Skernie; 12-29-2010 at 07:43 PM.

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    Super Moderator Cowboy's Avatar
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    Are you getting an error message with a number?
    And asre you sure you got the right firmware not the 3gs or ip4? You should be able to do it then have TU kick you out of dfu
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    Skernie (12-29-2010)

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    Yes I think you are right, I think I was using my 3GS 4.0 I will download 4.0 for 3G and try again. Thanks for the heads up. Sorry I am a newb, but is people like yourself that are very helpful. will this downgrade the base band also?

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    Cowboy (12-29-2010)

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    What baseband are you on currently it might i am a little effy on what firmwares tu saves basebands on...
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    I am on baseband 05.14.02 also should I be in recovery mode in TU when I try to downgrade, or should I be in DFU mode?
    Last edited by Skernie; 12-29-2010 at 07:53 PM.

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    No it only applied to iphone 4s sorry so you will be stuck at 5.14.02
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    Could some one help me out please I have brought a iPhone 3G it's jailbraked on 4.1 but I can't get any gps to work all say no gps ? Everythink eles is fine thanks

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    Is it unlocked
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    Ok thanks for letting be know, I was hoping that it would downgrade that baseband so I could unlock. I will just have to be patient until the DEV team comes out with the new unlock.

    No it is not unlocked, I don't want to go to the ipad baseband.
    Last edited by Skernie; 12-29-2010 at 07:57 PM. Reason: Automerged Doublepost

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    Patience is a virtue lol
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    Yes I know the DEV team does a great job for all of us, and they will get it done as soon as they can. for some reason I edited my last post and added that the phone is not unlocked, I don't know if you saw that.

    Thanks for all the info!

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    Yh phone is unlocked

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    Super Moderator Cowboy's Avatar
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    No i didnt but good to know yeah mid january i believe is what the rumor mill is telling people

    Quote Originally Posted by Bobsta_2010 View Post
    Yh phone is unlocked
    And who is you carrier?
    Last edited by Cowboy; 12-29-2010 at 08:04 PM. Reason: Automerged Doublepost
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    Quote Originally Posted by Westerman View Post
    No i didnt but good to know yeah mid january i believe is what the rumor mill is telling people



    And who is you carrier?
    I am on Vodafone but it was on o2

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    Would there be any benefit down grading to 4.0 from 4.1? I am reading that the 4.XX FW slows down the 3G.

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    Quote Originally Posted by Bobsta_2010 View Post
    I am on Vodafone but it was on o2
    o2 you can get them factory unlocked try calling them

    Quote Originally Posted by Skernie View Post
    Would there be any benefit down grading to 4.0 from 4.1? I am reading that the 4.XX FW slows down the 3G.
    Not really 4.1 is an improvement over 4.0 but honestly 3.xx is the best firmware for iphone 3g
    Last edited by Cowboy; 12-29-2010 at 08:12 PM. Reason: Automerged Doublepost
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    I have also read that the DEV team is working on a baseband down grade, if they are able to do this do you think I will be able to downgrade to 3.1.3 FW and take the baseband back to 5.12? with out having the SHSH saved.

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    Quote Originally Posted by Westerman View Post
    o2 you can get them factory unlocked try calling them



    Not really 4.1 is an improvement over 4.0 but honestly 3.xx is the best firmware for iphone 3g
    Oh no the lad I got the phone of he unlocked and jailed braked it for me but I can't get any sat nav to work on the phone

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    If you want to unlock with ipad baseband, my advise is that you must have 4.1 shsh blob, so that you can be at 4.1 firmware and with ipad bb. This is better than going to 4.2.1 with ipad baseband which gives you tons of problems.

  23. #20
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    I am not ready to take jump to the ipad baseband, I will try to wait it out for the new unlock from the DEV team. This is an extra phone that I want to send to my girl in the Philippines, so the less problems the better.

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