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Discuss The way to downgrade base band from 4.01. back to 3.14.08 at the iPhone "2G" (Rev. 1) - Hackint0sh.org; Hi all this is the way I have just down back my base band to ...
  1. #1
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    Default The way to downgrade base band from 4.01. back to 3.14.08

    Hi all this is the way I have just down back my base band to 3.14.08 and unlock as normal way before.

    1. Get this secpack40113 from firmware 4.1 download from this attach from here (i have just rename it to secpack)

    http : //w w w .m e d i a f i r e.com/?321ts5g9xly

    Or download all in one package here :

    http://www.m e d iafire.com/?0xysybsy4pt

    (ieraser, bbupdater, testcode.bb, secpack)

    2. Copy this new secpack and some old tool :

    ieraser ,
    bbupdater
    testcode.bb
    ICE03.14.08_G.fls
    ICE03.14.08_G.eep

    to your phine at directory :
    usr/bin
    Change properties to 755 (all x)

    3. Run putty and type comand to reloaded CommCenter

    #cd /usr/bin
    #launchctl remove com.apple.CommCenter

    Config minicom at same way before so that ieraser can run. When ok exit minicom and run ieraser

    #ieraser

    Now it will eraser your base band so your phone Imei will be = 0000

    #bbupdater -f *.fls

    ProcessDetailUpdated: Boot process finished
    ProcessOutlineUpdated: Reading SW version data
    ProcessDetailUpdated: Receiving data.
    ProgressUpdated: 100
    ProcessDetailUpdated: Upload
    ProcessOutlineUpdated: Process time was 133 msec.
    Upgrade from ÿÿÿÿÿÿÿÿ&# 255;ÿÿÿÿÿÿÿ&#25 5;ÿÿÿÿÿÿÿÿ ÿÿÿÿÿÿÿ to
    Downloading FLS
    ProcessOutlineUpdated: Start downloading from file ICE03.14.08_G.fls.
    ProcessDetailUpdated: Erasing the dynamic eeprom area
    ProgressUpdated: 100
    ProcessDetailUpdated: Sending sec-pack.
    ProcessDetailUpdated: Load region 0
    ProcessDetailUpdated: Sending data.
    .
    .
    ProgressUpdated: 99
    ProgressUpdated: 100
    ProcessDetailUpdated: Sending end-pack.
    ProcessOutlineUpdated: Process time was 2 min 3 sec.
    Error: Failed to download .FLS: Could not verify downloaded image.
    Done
    Yes it error don't worry run it again with this command to write eeprom:
    #bbupdater -e *.eep
    It will ok now.

    # bbupdater -e *.eep
    Preparing to flash using /dev/tty.baseband at 750000 baud
    Please reset target
    Resetting target...
    ProcessDetailUpdated: Boot-loader is active
    ProcessDetailUpdated: EBL version: 3.9_M3S2 3..9
    ProcessDetailUpdated: Boot mode is: CC
    ProcessDetailUpdated: Baud rate set to 750000
    ProcessDetailUpdated: Get flash id.
    ProcessDetailUpdated: CFI stage 1
    ProcessDetailUpdated: Flash ID is: 88620089
    ProcessDetailUpdated: CFI stage 2
    ProcessDetailUpdated: Boot process finished
    ProcessOutlineUpdated: Reading SW version data
    Error: couldn't retrieve version information: File not found.
    Upgrade from ð/ to Üüÿ/
    Downloading EEP
    ProcessOutlineUpdated: Start downloading from file ICE03.14.08_G.eep.
    ProcessDetailUpdated: Sending sec-pack.
    ProcessDetailUpdated: Load region 0
    ProcessDetailUpdated: Sending end-pack.
    ProcessDetailUpdated: Checksum OK.
    ProcessDetailUpdated: Verify OK
    ProcessOutlineUpdated: Process time was 1868 msec.
    Resetting target...
    Done
    OK now try
    #bbupdater -f *.fls

    # bbupdater -f *.fls
    Preparing to flash using /dev/tty.baseband at 750000 baud
    Please reset target
    Resetting target...
    ProcessDetailUpdated: Boot-loader is active
    ProcessDetailUpdated: EBL version: 3.9_M3S2 3..9
    ProcessDetailUpdated: Boot mode is: CC
    ProcessDetailUpdated: Baud rate set to 750000
    ProcessDetailUpdated: Get flash id.
    ProcessDetailUpdated: CFI stage 1
    ProcessDetailUpdated: Flash ID is: 88620089
    ProcessDetailUpdated: CFI stage 2
    ProcessDetailUpdated: Boot process finished
    ProcessOutlineUpdated: Reading SW version data
    ProcessDetailUpdated: Receiving data.
    ProgressUpdated: 100
    ProcessDetailUpdated: Upload OK
    ProcessOutlineUpdated: Process time was 132 msec.
    Upgrade from ÿÿÿÿÿÿÿÿ&# 255;ÿÿÿÿÿÿÿ&#25 5;ÿÿÿÿÿÿÿÿ ÿÿÿÿÿÿÿ to
    Downloading FLS
    ProcessOutlineUpdated: Start downloading from file ICE03.14.08_G.fls.
    ProcessDetailUpdated: Erasing the dynamic eeprom area
    ProgressUpdated: 100
    ProcessDetailUpdated: Sending sec-pack.
    ProcessDetailUpdated: Load region 0
    ProcessDetailUpdated: Sending data.
    ProgressUpdated: 0
    .
    .
    ProgressUpdated: 99
    ProgressUpdated: 100
    ProcessDetailUpdated: Sending end-pack.
    ProcessDetailUpdated: Checksum OK.
    ProcessDetailUpdated: Verify OK
    ProcessOutlineUpdated: Process time was 2 min 6 sec.
    Resetting target...
    pinging the baseband...
    issuing +cpwroff...
    Done
    Now your phone back to 3.14.08 so unlock easy as old model

    # iUnlock_reloaded
    iUnlock v4242.AutoSpeedy -- Copyright 2007 The dev team

    Credits: Daeken, Darkmen, guest184, gray, iZsh, leachbj, pytey, roxfan, Sam, uns, zappaz, Zf
    Paypal donation to iphone.devteam@gmail.com

    * Leet Hax not for commercial uses
    Punishment: Monkeys coming out of your ass Bruce Almighty style.

    Stopping Commcenter
    Sending baudrate command speed 921600
    Dumping NOR to /tmp/nor.bin
    05%
    10%
    15%
    .
    .
    .
    90%
    95%
    Detected FW Version: 31408
    Patching FW
    Sending Begin Secpack command
    Sending Erase command
    Waiting For Erase Completion...
    Sending Write command
    05%
    10%
    15%
    .
    .
    .
    Done
    Sending End Secpack command
    Validating the write command
    FW are equal!
    Resetting baseband
    Unlocking...
    Testing unlock status...
    ==> Unlocked!
    Restarting Commcenter
    Completed.
    Enjoy!
    And it funny thing is all will back as original it mean Imei number will correct

    Good luck to all

    P/S : I have just test on 1.0.2 upgrade to 1.1.1 and baseband upgrade to 4.1 but not yet test it on original 1.1.1 so who have please test this way.

    May be it long to remmeber this is sumary :

    1. eraser new radio firmware (4.01.13) by new secpack so that it erase and clear version, Imei...
    2. Flash it to 03.14.08 by bbupdater but it will say error at first.
    3. Flash eeprom 03.14.08_D.eep by bbupdater
    4. Re flash 03.14.08_G.fls by bbupdater So firmware for baseband radio will back to 03.14.08
    5. Unlock by anySIM or iUnlock_reloaded
    Last edited by thienlong; 10-13-2007 at 11:05 AM.



  2. #2
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    was yours 102 anysim unlocked then upgraded to 111?

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    Default

    I think right now all the 1.1.1 unlock is including downgrade to 1.0.2, downgrade your baseband to 1.0.2 and unlock it. you will have problem with upgrade to 1.1.1.

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    I need to have a bbupdater?
    I dont understand that part?

    The bbupdater must be from when i got my iphone in 3.14?
    I downloaded one. its correct if i use this one?

    thanks a lot
    Last edited by lamanodedios; 10-12-2007 at 05:57 PM.

  5. #5
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    Default

    is this confirmed to work?


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    Quote Originally Posted by leegoon84 View Post
    was yours 102 anysim unlocked then upgraded to 111?
    Yes I upgrade and downgrade it. But it different than original is EEPROm 8 or 7 just use bbupdater to flash eeprom it will come to 7.


    --------------------------
    Here in 1 package for you : ieraser , bbupdater and secpack40113

    http://www.m e d ia fire .com/?9mg7mttwoey

    I think easy way for some newbies please use installer to install BSD Subsystem
    After that run
    #minicom -s

    Confige it and run ieraser

    Good luck

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    I am going to try.. it today.. WITH 1.1.1 preloaded from apple stores..
    post results later
    Last edited by car__34; 10-12-2007 at 06:45 PM.

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    thienlong methode

    hi iam a very newbie iphone user can you make a short manual voor this tip
    and is this already confirmd to work flawless

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    Quote Originally Posted by thienlong View Post
    Yes I upgrade and downgrade it. But it different than original is EEPROm 8 or 7 just use bbupdater to flash eeprom it will come to 7.


    --------------------------
    Here in 1 package for you : ieraser , bbupdater and secpack40113

    http://www.m e d ia fire .com/?9mg7mttwoey

    I think easy way for some newbies please use installer to install BSD Subsystem
    After that run
    #minicom -s

    Confige it and run ieraser

    Good luck


    What do I need to do to configure after I run "minicom -s"? I did all steps up to ieraser, then I'm stuck at "waiting for data" I already have ieraser and secpack in /usr/bin

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    Quote Originally Posted by airfrancisco View Post
    What do I need to do to configure after I run "minicom -s"? I did all steps up to ieraser, then I'm stuck at "waiting for data" I already have ieraser and secpack in /usr/bin
    Best way is install BSD subsystem from installer so it will install minicome and data for minicom...

    #minicom -s
    Serial port settup --> press A change it to : /dev/tty.baseband
    Save setup as dfl --> Exit --> Ctrl + A --> X to exit.
    #ieraser --> it will run.

    remember change all file that we copy to phone to x : 755


 

 
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