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Discuss Windows baseaband downgrade - Baby steps ;) at the iPhone "2G" (Rev. 1) - Hackint0sh.org; Disclosure: Developed with the help of IRC people based on Iphone elite wiki . Tested ...
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    Default Windows baseaband downgrade - Baby steps ;)

    Disclosure:

    Developed with the help of IRC people based on Iphone elite wiki.

    Tested with week 30 iPhone, activated and unlocked to use a BrasilTelecom SIMcard and upgraded to 1.1.1 without knowing.

    So i had to make the 1.02 restore before all this steps.



    You will need a 1.02 phone with bsd subsystem, terminal and anysim 1.02 already installed. If you downgrade from 1.1.1 like me you probaly have this now.

    Create a root folder call it unlock - c:\unlock

    Download to this folder:

    Windows programs (links to follow next):

    pscp.exe
    putty.exe

    Iphone binaries (links to follow next):

    seckpack40113.bin
    ieraser
    bbupdater
    ICE03.14.08_G.eep
    ICE03.14.08_G.fls

    On your iphone open terminal and type:

    cd /
    mkdir /unlock

    On your windows open cmd.exe, on a Vista computer open explorer and type cmd.exe at the address bar

    type:

    c:
    cd c:\unlock
    pscp ieraser your.ipod.ip.address:/unlock/.
    pscp bbupdater your.ipod.ip.address:/unlock/.
    pscp ICE03.14.08_G.eep your.ipod.ip.address:/unlock/.
    pscp ICE03.14.08_G.fls your.ipod.ip.address:/unlock/.
    pscp secpack40113.bin your.ipod.ip.address:/unlock/.
    type:

    putty root@your.ipod.ip.address

    Now putty will ask if you want to connect to the iPhone, answer y and
    type the password, dottie.

    Now you are on your Iphone terminal, please pay attention on what you´re typing.

    type:

    cd /unlock
    chmod +x ieraser
    chmod +x bbupdater
    launchctl remove com.apple.CommCenter
    ./bbupdater -v

    You had make the binaries executables, stoped the com.apple.CommCenter and you executed bbupdater to view what version is your iphone baseband. Now its time to rename the secpack, don´t forget to rename ieraser only accepts secpack as the filename, and let´s erase the baseband.

    type:

    mv secpack40113.bin secpack
    ./ieraser

    Now run the bbupdater command again, see if your baseband is erased. Type

    ./bbupdater -v



    Now lets reflash the baseband, to do type:

    ./bbupdater -e ICE03.14.08_G.eep -f ICE03.14.08_G.fls

    This will flash the 3.14.08 baseband firmware back to the iPhone, bbupdater will run for 3 minutes.

    When its over let´s check if it´s reprogramed the 3.14.08 baseband, type:

    ./bbupdater -v

    The correct answer :
    ./bbupdater -v
    Resetting target...
    pinging the baseband...
    issuing +xgendata...
    firmware: DEV_ICE_MODEM_03.14.08_G
    eep version: EEP_VERSION:207
    eep revision: EEP_REVISION:7
    bootloader: BOOTLOADER_VERSION:3.9_M3S2
    Done

    Now just reboot and run anySIM 1.02


    Please correct any errors!!!!!!!!!!!!!
    Last edited by tsialex; 10-12-2007 at 07:51 AM.



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    Does this move your NCK counter up to 2...? after running anysim the 2nd time?

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    I think it is easier for n00bs to use winscp that has a drag and drop interface to copy files and to change perms (+x)

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    good job, nice tutorial

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    Quote Originally Posted by ugene View Post
    Does this move your NCK counter up to 2...? after running anysim the 2nd time?
    Looking for this info, do you know a easy way to view the nck count?


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    What if this is a virgin OTB 1.1.1 - Please expand the tutorial or define the steps between downgrading the firmware at http://www.efksoft.com/products/ipho...tutorial_a.htm and downgrading the baseband. I mean, I'll have a downgraded 1.0.2 firmware with a 1.1.1 baseband...where do I go from here? Thanks - this is the graetest place on earth!

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    Ok, but this method works for upgraded 1.1.1 or out of the box 1.1.1?
    thanks a lot,
    Abras

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    ieraser always get this error


    Baseband reset.
    Get FlashID Request
    Sending:
    00000000 | 02 00 01 08 00 00 00 00 01 08 03 00 | ........ ....
    0000000c
    Major: 0, Minor: 0, String:
    iEraser: tool by geohot
    thanks to gray and the dev team for the implementation
    thanks to nightwatch for the awesome toolchain
    and thanks to anonymous, iProof, lazyc0der, and dinopio for the idea for this cool trick
    this tool erases your main fw, starting at 0x20000. you need this for the testpoint to work
    you need a file called secpack matching your current firmware version in this folder
    see http://iphonejtag.blogspot.com for instructions on finding this file
    Waiting for data...
    Got Header: 77 0b cc
    zsh: bus error ieraser


    ANY HELP?

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    Quote Originally Posted by thedolphin View Post
    What if this is a virgin OTB 1.1.1 - Please expand the tutorial or define the steps between downgrading the firmware at http://www.efksoft.com/products/ipho...tutorial_a.htm and downgrading the baseband. I mean, I'll have a downgraded 1.0.2 firmware with a 1.1.1 baseband...where do I go from here? Thanks - this is the graetest place on earth!
    To follow!!! But if you have a downgraded to 1.0.2 just get the files and follow the steps to unlock your baseband.

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    Quote Originally Posted by iphong View Post
    Got Header: 77 0b cc
    zsh: bus error ieraser


    ANY HELP?
    You forget to upload the secpack or rename the secpack


 

 
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