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Thread: Unlocking 3.1.2. iPhone 3GS

  1. #1
    Default Unlocking 3.1.2. iPhone 3GS
    I recently got my hands on two iPhone 3GS on 3.1.2

    For one of them, I used Spirit already, was that a bad option?

    Phone 1: Firmware 05.12.07 (I used spirit on this) BOOTROM 359.3.2

    Phone 2: Firmware 05.12.07 (Previously unlocked, I have no idea how) BOOTROM 359.3

    1) How should I unlock these to stay safe?
    2) How should I wipe both of these phones clean? Both were purchased used on Craigslist.
    Last edited by DisturbedZen; 2010-07-02 at 07:55 PM.

  2. #2
    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by DisturbedZen View Post
    I recently got my hands on two iPhone 3GS on 3.1.2

    For one of them, I used Spirit already, was that a bad option?

    Phone 1: Firmware 05.12.07 (I used spirit on this)

    Phone 2: Firmware 05.12.07 (Previously unlocked, I have no idea how)

    1) How should I unlock these to stay safe?
    2) How should I wipe both of these phones clean? Both were purchased used on Craigslist.
    Your Iphone 2, is it unlocked yet?
    The two iphones which one has new bootrom and which one has the oldbootrom ? I need some details...

  3. #3
    Quote Originally Posted by yeow202 View Post
    Your Iphone 2, is it unlocked yet?
    The two iphones which one has new bootrom and which one has the oldbootrom ? I need some details...
    iPhone 2, is currently unlocked, but its used and I want to wipe it clean. I have no idea how to do that while keeping it still unlocked.

    Both iPhones, how do I check bootrom? I thought that modem firmware = bootrom.

    Bump
    Last edited by DisturbedZen; 2010-07-02 at 07:47 PM. Reason: Automerged Doublepost

  4. #4
    Livin the iPhone Life Simtech's Avatar
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    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

  5. #5
    Thanks, I just added the bootrom information.

  6. #6
    Retired Moderator iYeow's Avatar
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    Phone 2, So it is the oldbootrom. When you open Cydia, if you say you have 3.1.2 shsh on file , then you can restore if anything happens. It is probably jailbroken by Blackra1n or Spirit. If you click the reset all , you will also end up in apple logo or the spinning wheel. If anything happens , you can still restore to 3.1.2 again. It all depends on whether you want to upgrade to iOS 4.0. You can try by restoring to custom firmware of iOS 4.0, restoring will wipe it clean too.


    Phone 1, it has the new bootrom, you can't do anything yet.

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    DisturbedZen (2010-07-03)

  8. #7
    Quote Originally Posted by yeow202 View Post
    Phone 2, So it is the oldbootrom. When you open Cydia, if you say you have 3.1.2 shsh on file , then you can restore if anything happens. It is probably jailbroken by Blackra1n or Spirit. If you click the reset all , you will also end up in apple logo or the spinning wheel. If anything happens , you can still restore to 3.1.2 again. It all depends on whether you want to upgrade to iOS 4.0. You can try by restoring to custom firmware of iOS 4.0, restoring will wipe it clean too.


    Phone 1, it has the new bootrom, you can't do anything yet.
    Thanks! I'll probably stay on 3.1.2. at this point, but whats the best way of cleaning the phone and keeping it safe without changing bootrom/modem firmware?

    Bump
    Last edited by DisturbedZen; 2010-07-03 at 06:39 PM. Reason: Automerged Doublepost

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  10. #9
    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by DisturbedZen View Post
    Bump
    Your bootrom will not change , what changes is your Baseband also known as Modem Firmware when you do an update of your OS, this determines whether you can unlock with the present unlocking tools.
    I think the only way to play safe is to just manually delete the items individually.

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