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Thread: 3gs 3.1.3 to 4.0 help.

  1. #1
    Unhappy 3gs 3.1.3 to 4.0 help.
    Hy.
    I have a 3GS new bootrom bought second hand. I don`t know if it has 3.1.2 sh sh saved or not.
    What are the steps to upgrade to 4.0. is there a tutorial. I searched the forums but nothing concrete.
    please help. even if it`s twoards a tutorial, or discussion.

    thanks in advance

  2. #2
    Livin the iPhone Life Simtech's Avatar
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    First, the guides at the top of the page are, what you call "concrete".
    Secondly, check to see if you SHSH files are saved with
    The Firmware Umbrella: TinyUmbrella - 4.00.54

  3. #3
    Quote Originally Posted by Simtech View Post
    First, the guides at the top of the page are, what you call "concrete".
    Secondly, check to see if you SHSH files are saved with
    The Firmware Umbrella: TinyUmbrella - 4.00.54
    in tiny umbrella after I hit "display shsh" I get this. "the following devices/ECIDs can be restored safely: iPhone 3GS 4.0 ... and iPod 2G 3.1.2 ..."

    how does it translate? what does it mean.

    PS. I clicked "save my shsh"with advanced options set to iPhone 3GS 3.1.2

  4. #4
    Livin the iPhone Life Simtech's Avatar
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    That means you only have 4.0 files saved. Are you jailbroken now?

  5. #5
    Quote Originally Posted by Simtech View Post
    That means you only have 4.0 files saved. Are you jailbroken now?
    yes. and unlocked.

  6. #6
    Livin the iPhone Life Simtech's Avatar
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    Since you have the new bootrom, I don't think you can use a custom firmware to upgrade to 4.0.


    To check iPhone 3G/3GS bootrom version:

    Put your iphone in DFU mode.
    (Connect your iPhone to iTunes, turn off, click power +home button for 10 seconds, leave POWER button after 10 seconds, holding HOME button)

    iTunes will detect your iPhone in recovery mode.

    Go To:

    Start->Control Panel->Device Manager

    In Universal Serial BUS Controller, you will find Apple Mobile Device USB Driver

    Right Click and go to Properties, go to Details tab and select "Device Instance Path" from the drop down list box.

    In that information, u will find [iBoot-359.x] at the end.


    On a Mac:

    Put the iPhone in DFU mode
    Then navigate to "About this Mac".
    From there go to "More Info...", and select USB on the list on the left.
    Under the USB menu you can select "Apple Mobile Device (DFU Mode)" and that will bring up information about the iPhone.

    About half way down it will have the iBoot information:
    It will either be [iBoot-359.3]-old or [iBoot-359.3.2]-new.
    To get it out of DFU mode just hold both the home and power button until it powers back on

  7. #7
    Quote Originally Posted by Simtech View Post
    Since you have the new bootrom, I don't think you can use a custom firmware to upgrade to 4.0.


    To check iPhone 3G/3GS bootrom version:

    Put your iphone in DFU mode.
    (Connect your iPhone to iTunes, turn off, click power +home button for 10 seconds, leave POWER button after 10 seconds, holding HOME button)

    iTunes will detect your iPhone in recovery mode.

    Go To:

    Start->Control Panel->Device Manager

    In Universal Serial BUS Controller, you will find Apple Mobile Device USB Driver

    Right Click and go to Properties, go to Details tab and select "Device Instance Path" from the drop down list box.

    In that information, u will find [iBoot-359.x] at the end.


    On a Mac:

    Put the iPhone in DFU mode
    Then navigate to "About this Mac".
    From there go to "More Info...", and select USB on the list on the left.
    Under the USB menu you can select "Apple Mobile Device (DFU Mode)" and that will bring up information about the iPhone.

    About half way down it will have the iBoot information:
    It will either be [iBoot-359.3]-old or [iBoot-359.3.2]-new.
    To get it out of DFU mode just hold both the home and power button until it powers back on
    I have the new bootrom. I think it`s 359.3.2

    so. how can I upgrade to iOS4?

    pleeeaaase don`t let me like this. can somebaody give me any clues as how I could get iOS 4 onto my phone.
    thanks!
    Last edited by citadin86; 2010-07-12 at 11:53 PM. Reason: Automerged Doublepost

  8. #8
    It's not like we don't want to help, but you have a 3Gs with a new bootrom which means that's not much we can do. You don't want us to give a guide to upgrade that locks you out from a Jailbreak right?

    Just be patient and wait for the IOS 4 Jailbreak. It's coming out soon, last I read, there's one more step that the dev-team are working on.

  9. The Following User Says Thank You to azraeil For This Useful Post:

    citadin86 (2010-07-13)

  10. #9
    Quote Originally Posted by azraeil View Post
    It's not like we don't want to help, but you have a 3Gs with a new bootrom which means that's not much we can do. You don't want us to give a guide to upgrade that locks you out from a Jailbreak right?

    Just be patient and wait for the IOS 4 Jailbreak. It's coming out soon, last I read, there's one more step that the dev-team are working on.
    This IOS4 jailbreak thats suppose to be released will it work on 3g[s]'s that have been updated thru itunes to 4, with no shsh's saved

  11. The Following User Says Thank You to FerretBoi For This Useful Post:

    citadin86 (2010-07-13)

  12. #10
    Quote Originally Posted by azraeil View Post
    It's not like we don't want to help, but you have a 3Gs with a new bootrom which means that's not much we can do. You don't want us to give a guide to upgrade that locks you out from a Jailbreak right?

    Just be patient and wait for the IOS 4 Jailbreak. It's coming out soon, last I read, there's one more step that the dev-team are working on.
    Quote Originally Posted by FerretBoi View Post
    This IOS4 jailbreak thats suppose to be released will it work on 3g[s]'s that have been updated thru itunes to 4, with no shsh's saved
    Thank you a lot. I`m greatful for the understanding and help. I`ll be waiting for the next jailbreak solution.
    thanks again.

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