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Discuss [Tutorial] How to testpoint downgrade bootloader and unlock OTB 1.1.2 at the Hardware Unlock - Hackint0sh.org; Originally Posted by rinseaid I'm having the same problem as a few people on here: ...
  1. #51
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    Quote Originally Posted by rinseaid View Post
    I'm having the same problem as a few people on here: I ran the ienew command and lost wifi, and didn't have MobileTerminal installed. So I had no choice but to reboot the phone at which point wifi ceased to work and the repair message started popping up.

    So I saw one post mentioning restoring back to 1.1.1, then up to 1.1.2 -- I followed this procedure and still evidently had no baseband. When I restored 1.1.1 the error was 1011, and to 1.1.2 the error was 1002, and, like others have mentioned, this was an extremely slow restore. On neither firmware could I dial any numbers, and both were extremely slow to respond.

    Since then, I've followed geohot's advice and downgraded to 1.0.2. I then used iBrickr to jailbreak and install PXL, and Pacay Carnaval or whatever it's called to activate the phone. I was still receiving the 'phone requires repair' error message and the phone was very slow to respond.

    I installed MobileTerminal and copied the contents of the pack posted on geohot's blog to /usr/bin. I set all binary files to +x.

    iunew kept giving me a bus error -- I realised I did not have the testcode.bb or nor file. I found an old iPhone unlock pack containing these files that I had lying around, and uploaded then. I was still getting a bus error, but after chmodding all files to 775 I finally got to the point where iunew would ask me to connect the testpoint.

    After connecting the testpoint, I got to the point where you are asked to type a character and press return - then the 'Downloading modified nor...' which I left for an hour with no further progress.

    I had tried rerunning ienew but kept getting 'Could not write' or something similar.
    I am now attempting to update the phone to 1.1.2 again to see if the baseband is restored.

    Is there anything that I am doing wrong? I have noticed geohot's blog mentions finding an old nor dump and writing a new file with the first 0x20000 bytes which I didn't do... how is this achieved?

    Should I create this file and then attempt to downgrade to 1.0.2 and run through the procedure as I did before?

    Thanks in advance for any potential help.
    is your phone 1.1.2OTB?
    if so, let us know how you down'd to 1.0.2.
    void unlock(int& Iphone)
    char FRUSTRATION(true);
    do
    {
    Unlock(Iphone);
    }while (FRUSTRATION=='true');


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    Quote Originally Posted by aglitch View Post
    you are putting into dfu mode right?
    Yep. I've managed to get past the 'unknown error (1)' but now I'm stuck on 'waiting for iPhone'.

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    Quote Originally Posted by moho View Post
    is your phone 1.1.2OTB?
    if so, let us know how you down'd to 1.0.2.
    Yes - 1.1.2OTB with bootloader 4.6. The procedure I followed seemed to allow a downgrade to 1.0.2 - I just DFU'd and selected the 1.0.2 restore file. Nothing special. At one point I did have to uninstall iTunes, restart the PC and install iTunes again (using 7.5) in order to restore - I think the error was 1046. Maybe this is worth a shot?

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    I've just had the same error (1) trying to downgrade from 1.1.2 to 1.0.2 - I am not getting this error downgrading to 1.1.1. I will report if successful and will attempt to downgrade again to 1.0.2.

    Any info on the nor dump?

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    Some hints if you want to try this tutorial:

    1. Before you start: install MobileTerminal (in installer: Term-vt100)!
    2. Copy all required files to your iPhone.
    3. Run ienew from MobileTerminal (not via a SSH-Session!). If your phone crashed during ienew, restart your iPhone (it will complain that it needs repair, no more wifi, you can't make any (emergency)-calls) and run iunew before you restore your phone to 1.1.1 / 1.1.2 (this could take a little bit longer than usual).
    4. Remember: there are two different programs involved in this process: 1. ienew, which erases the baseband and 2. iunew, which installs the new (or better old 3.9) bootloader from your nor-dump!


    I hope this helps a little bit...


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    I've updated the nor file included in the "bootloader downgrade" package... There was a problem with the one included earlier. I'm really sorry about that... Thanks to geohot for pointing that out.
    Last edited by GeeZuZz; 01-19-2008 at 10:53 PM.

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    Quote Originally Posted by GeeZuZz View Post
    I've updated the nor file included in the "bootloader downgrade" package... There was a problem with the one included earlier. I'm really sorry about that... Thanks to geohot for pointing that out.

    GeeZuZz, is your tutorial now completely correct? So it won't brick the iPhone?
    *except i am a dumb and do mistakes* ... i am asking since several people bricked
    their iPhone or got damages of functionality like no wi-fi and else.

    regards

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    Update: I resolved the error 1 message trying to downgrade to 1.0.2 by downgrading first to 1.1.1, running AppTapp to boot the phone out of recovery mode and then I was able to downgrade to 1.0.2.

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    Quote Originally Posted by Maestro85 View Post
    GeeZuZz, is your tutorial now completely correct? So it won't brick the iPhone?
    The nor file previously wrong is fixed, and geohot verified it for me. The other files are taken from geohot's blog. I really doubt it's possible to brick the phone (even with the wrong nor it didn't brick the phone, you just needed to erase it again and write the correct nor), as long as you don't update to 1.1.3. Also make sure you have a terminal installed on the phone as a backup if wifi is temporarly lost.

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    I've gotten back to a 1.0.2 firmware, have uploaded all relevant files including the update nor dump. When running iunew, the process still halts at 'Downloading modified nor...' and does not progress any further.
    ienew says that it can't write.
    All files are permission 775.
    I've definitely unloaded com.apple.CommCenter.plist
    Anything I should try?


 

 

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