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Discuss how to fix 1002 due corrupted nvram with 4.3.2 on a 3GS? at the General - Hackint0sh.org; Recently when upgrading my jailbroken iPhone 3GS from 4.2.1 to 4.3.2 it got grayed out ...
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    k-s
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    Unhappy how to fix 1002 due corrupted nvram with 4.3.2 on a 3GS?

    Recently when upgrading my jailbroken iPhone 3GS from 4.2.1 to 4.3.2 it got grayed out WiFi and Bluetooth switches, with empty mac addresses in the Settings panel. It also triggers watchdog that reboots the device frequently (couple of minutes).

    Searching the internet and this forum leads to the conclusion it was either a hardware failure or nvram corruption. I believe it was the second as it worked fine for various months without issues, just having the problem after the software upgrade.

    However it seems most tools to recover this problem were for old iPhone (2G?) and iOS versions. Any idea on how to recover it from 4.x (4.3.2 is my current version).

    For the record, I tried different approaches already, from downgrade to official Apple firmware to PwnageTool to Redsn0w with iPad firmare (6.15) but they all fail while updating the baseband (redsn0w, itunes stops at the 99% after a long wait).



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    Super Moderator Array Olethros's Avatar

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    Publish your restore log please.

    Doubtful this can be fixed though.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

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    k-s
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    Thank you for your promptly answer, I was out so my delay. Logs:

    2011-04-19 18:32:44.000 iTunes[540:40b]: restore library built Feb 3 2011 at 02 - Pastebin.com

    Seems the important bits are:

    radio-error = 256
    radio-error-string = 'Corrupted stack'
    ...
    Ping failed, trying again
    ...
    - Sending +xdrv=10,2 failed
    - Sending +cpwroff failed

    Let's hope you can help me. Thanks! :-)

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    I'm sorry to say - I don't know any (software) way to repair your phone.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
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    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

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    k-s
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    What would be a non-software way to repair it? Maybe I can try... worse than now (a brick) it can't be :-)


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    Quote Originally Posted by k-s View Post
    What would be a non-software way to repair it? Maybe I can try... worse than now (a brick) it can't be :-)
    Well, if the problem is corrupted NVRAM, rather than corrupted baseband. Then it might be possible to acecss this from a patched iBoot or openiBoot - this is beyond my abilities.
    There are two copies of NVRAM stored, so maybe one is still intact.

    You could also carefully desolder the NOR chip and use dedicated hardware to reprogram the NVRAM section of the chip.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

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    Did we solve your problem? Got a dollar or two spare ? Donate!

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    k-s
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    Thank you! Will see what I can do here.

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    Quote Originally Posted by k-s View Post
    Thank you! Will see what I can do here.
    Just to note- as far as I know openiBoot (or any alternate low level bootloader) isn't publicly available for the 3GS yet. I'd ask around in the iPhoneLinux forums if someone wants to have a try at fixing the corrupted NVRAM for you.

    Otherwise, you need to look at the physical (desoldering) option. Again I'd ask the assistance of an expert (someone who can hardware unlock a 3GS - there are some very skilled hardware types who can do this)
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

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    Did we solve your problem? Got a dollar or two spare ? Donate!

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    Default Nvram 1002 fix

    Hello.
    Sorry for my english.

    I 've got the same trouble with my 3GS. I have done an upgrading in 4.3.2 and
    the phone as lost is IP addresses and now it is restarting every 3 mn.

    I have the box with the EIMI and the Phone's serial number

    I spend hours on the net, downloading tools, installing programs.
    A far as i go, i acheived to install via usb, cydia and some background tools.
    I am trying to stop the communication center (in order to stop wifi, bluetooth and 3G because the nvram as no addreses for them).


    One thing i can't understand is: if the Nvram get erased by an upgrade, why can't we do the reverse thing ?

    Can someone help me to fix this ?
    or almost stop the 3 mn restarting, in this case i can give it to my childs.

    Regards

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    Quote Originally Posted by Sined View Post
    One thing i can't understand is: if the Nvram get erased by an upgrade, why can't we do the reverse thing ?
    Well, the update process can only change some parts of Nvram - not the entire thing.
    Apple has checks in iBoot that restrict the ability to make these type of changes, these checks need to be patched out or iBoot replaced with an open source alternative.

    the three minute reboot is likely a watchdog process. That might be possible to be patched out (would prevent the reboot, but not fix the underlying problem)
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

    -
    Did we solve your problem? Got a dollar or two spare ? Donate!


 

 

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