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Thread: 3G Fuzzyband Downgrader. Downgrade any baseband with a simple click of a button!

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This wonderful GUI Baseband downgrader was created by w1kedZ (coding) & DHowett (GUI). It is based on the exploit in the 5.08 bootloader found by geohot. So yes you must
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  1. #1
    Retired Moderator StealthBravo's Avatar
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    Default 3G Fuzzyband Downgrader. Downgrade any baseband with a simple click of a button!

    This wonderful GUI Baseband downgrader was created by w1kedZ (coding) & DHowett (GUI). It is based on the exploit in the 5.08 bootloader found by geohot. So yes you must have the 5.08 bootloader for this to work. The beautiful part about this tool is that it will check your bootloader for you.

    The way the tool works:

    1. It verifies your bootloader version and displays it before attempting to downgrade (won't attempt if bootloader isn't 5.08) so it is much safer than other methods.

    2. It detects current baseband version, and the patches accordingly...this means it will downgrade any baseband from 2.30 to 4.26.08 (beta 5)

    It is available now on the BigBoss Repo. Look for 3G Fuzzyband Downgrader.

    Enjoy!


    Last edited by StealthBravo; 02-07-2010 at 01:16 PM.

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  3. #2
    iPhone? More like MyPhone badass1469's Avatar
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    sweet, but what if apple decides to fix this, now that they have quickpwn they know what to put to make it un-jailbreakable; maybe the devs should have waited until the real 3.0 was released, to release their quickpwn and baseband down-grader.
    Last edited by badass1469; 05-10-2009 at 12:45 AM.

  4. #3
    Green Apple
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    it doesn't matter. Your bootloader is upgraded as well when installing the 3.0 os. So you won't have 5.08 anyways. Wish someone could just make an unlock for 2.30.00

  5. #4
    Retired Moderator StealthBravo's Avatar
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    ^Your bootloader is not upgraded, your baseband is. I am running 3.0 beta 5 with bootloader 5.08. I can downgrade to 2.28 anytime with this tool

  6. #5
    iPhone? More like MyPhone cory's Avatar
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    will this allow us to go back to 2.2.1?

  7. #6
    iPhoneaholic
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    We are happy to see the downgrader but still sad beacause there are a lot of Bootloaders version 5.09 like me ... still waiting for the solution... If only there was a downgrader for 5.09 boorloader.

    We pray and pray...hahhhihi

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    Peanut Brain confucious's Avatar
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    Quote Originally Posted by cory View Post
    will this allow us to go back to 2.2.1?
    2.21 is a FW not a BB - you've always been able to downgrade the FW

    Quote Originally Posted by eyepoper View Post
    We are happy to see the downgrader but still sad beacause there are a lot of Bootloaders version 5.09 like me ... still waiting for the solution... If only there was a downgrader for 5.09 boorloader.

    We pray and pray...hahhhihi
    5.09 was released specifically to close the exploit so I doubt if it will happen - but then geohotz thinks it *might* be possible so who knows...
    He who asks a question looks foolish for 5 minutes. He who doesn't ask a question remains foolish forever.

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  10. #8
    What's Jailbreak?
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    Does this work on OS 3.0?

  11. #9
    Peanut Brain confucious's Avatar
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    Quote Originally Posted by Nintendo View Post
    Does this work on OS 3.0?
    You need to downgrade your FW to 2.21 first but it will downgrade the BB from the onme supplied with FW 3.9 - provided, of course, you have BL 5.8
    He who asks a question looks foolish for 5 minutes. He who doesn't ask a question remains foolish forever.

  12. #10
    What's Jailbreak?
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    Ohh i have bootloader 06.04 (G2M3S2), was just a test anyway since my phone will be unlocked once my 6 months sub is over.

  13. #11
    My iPhone is a Part of Me
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    So this will work for anything

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    Wow ! This works flawlessly !

    I downgraded from 04.24.02 (OS3 B3) to 02.28.00 on 2.2.1 !

    Kudos to you, time to sell my unlocked iPhone in order to get fund for the next one !

  15. #13
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    Great...now if I can just find the file to download and test my baseband.

  16. #14
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    yo u cant unlock 2.2.1 version, can you?

  17. #15
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    Thanks StealthBravo

    Excellent work

  18. #16
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    I'm on 2.2 currently. So in theory could I upgrade to 3.0 beta 5 and still use yellowsnow? How do I know if upgrading my firmware will upgrade my bootloader?

    EDIT: NVM I'm on bootloader 5.09.
    Last edited by Robby23; 05-10-2009 at 09:20 AM.

  19. #17
    iPhoneaholic
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    It was worth a try. My Phone has BL 06.02 & of course came with 2.2.1 so no unlock for me. Not a big deal except when it's time to sell.

    Who knows maybe I'll get lucky when I exchange it at the Apple store. Mine has the plastic cracks around the volume & silent switch.
    Last edited by Cokeman; 05-10-2009 at 09:32 AM.
    If I can't mod it...I don't want it.

  20. #18
    Retired Moderator StealthBravo's Avatar
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    Sorry 3.0 will not talk to 2.28 where yellowsnow lives.

  21. #19
    iPhone? More like MyPhone
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    Ok just to clear up a few things.... you can not use 3.0 with baseband 2.28.00 it will NOT work!! You do need to downgrade with the directions below!

    confirmed working for me downgraded from OS 3 Beta 3 back to 2.2.1 downgraded baseband to 2.28.00 yellowsn0w'd and running =)

    How to Downgrade iPhone Firmware 3.0 to 2.2.1
    1. Connect your iPhone to your Mac or PC and select your iPhone from the list of devices in iTunes

    2. If iTunes does not detect your iPhone then you will need to put it in DFU (Device Firmware Upgrade) mode.

    3. Browse the Summary Tab,

    Mac Users,

    Hold down Option and press the “Restore” button

    Windows Users,

    Hold down Shift and press the Restore button

    4. Now browse the folder where you have the iPhone firmware.Select the firmware & hit the restore button and cross your fingers for 5 minutes.

    5. Ignore error message like 1011, 1013, 1015 (Actually the firmware 2.2.1 is already successfully installed)

    6. Use QuickPWN 2.2.5 to Jailbreak iPhone Firmware 2.2.1

    7. Launch Download 3G Fuzzyband Downgrader from BigBoss Repo.

    8. Launch Fuzzyband Downgrader. Let it do its thing.

    9. Install YellowSn0w. Reboot

    Off you go to a working iPhone =) Enjoy!
    Last edited by lighter; 05-10-2009 at 04:12 PM.

  22. #20
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    so, does this mean 3.0 will be unlockable?

    Heh, just read the post on top of me.....lol

    but, cant you downgrade the baseband with out downgrading your firmware? just wondering?
    Last edited by flyinpilot; 05-10-2009 at 10:23 AM.

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