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Discuss questions: Upgrading 3.0 to 3.1.2 with customized firmware at the iPhone 3GS - Hackint0sh.org; I have ben reading a lot on this forum, but I am a noob for ...
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    Default questions: Upgrading 3.0 to 3.1.2 with customized firmware

    I have ben reading a lot on this forum, but I am a noob for this and require some assistance. Maybe I am in the wrong group but i couldn't find the right place where i should post my questions.

    Let me explain: I have an Iphone 3GS 32GB with SW version 3.0, jail broken and unlocked in Hong Kong. So far everything works fine and when changing cards for carriers while I am in Europe and china works flawlessly.

    I have seen different customized software versions of 3.1.2 on the internet. When I upgrade to 3.1.2 with one of these versions, I want the same again as I have now for my Iphone (jail broken and unlocked)

    My computer is with Windows 7 OS and have no easy access to a MAC.

    Questions:

    1) Can anybody advise me to a customized software version of 3.1.2. that I need when I want to go from 3.0 to 3.1.2. and still have a device that is jail broken and unlocked for use in china and Europe?
    2) After installing this customized firmware 3.1.2 version with ITunes 9.01, will my baseband be upgraded or not?
    3) When I perform this upgrade to 3.1.2 and the baseband is not upgraded, will I be able to unlock & jailbreak again in the future when the new baseband is cracked? (With respect to the warnings of the devteam and announcements from Apple to fix the unlocking)
    4) I see customized SW versions that have small and big root partitions. What is actually the difference between a small and big root partition? More pre-installed programs?
    5) What should I definitely NOT do while upgrading to turn my Iphone 3GS into a useless phone or expensive IPod?
    6) Would it be better to stay on 3.0 instead of upgrading now?

    Thanks for all your help!!



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    1) the best way is to use pwnagetool to make your own customized ipsw

    2) if the ipsw is made with the current pwnagetool, baseband update is completely removed so no chance

    3) yes the only thing that changes is the actual firmware version, the baseband is left alone in its hackable state, when another baseband becomes hackable you will have to restore with an untouched ipsw to update the baseband

    4) the changed root partition is to make room for more cydia programs that dont reside in the Applications folder which is moved to the media partition

    5) DO NOT use a stock ipsw from apple

    also if its officially unlocked you dont need to worry about the unlock breaking
    Get the latest info for NoAccSplash Here
    Currently it should work on iOS 4.x - 6.x
    If you'd like to help extend its functionality, the source is also available.

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    Hi there,

    I am currently on firmware 3.01 (3GS) with baseband 04.26.08. I want to upgrade to 3.12 and jailbreak with the new redsn0w 9. Do I have to keep my current baseband or should I just update in Itunes and then use redsn0w?

    What's the advantages with my current baseband 04.26.08 comparred with the new one?

    If I should keep my current baseband but update to 3.12, how do I do that?

    Thanks in advance

    Cirpen

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    Quote Originally Posted by Cirpen View Post
    I am currently on firmware 3.01 (3GS) with baseband 04.26.08. I want to upgrade to 3.12 and jailbreak with the new redsn0w 9. Do I have to keep my current baseband or should I just update in Itunes and then use redsn0w?
    If you plan to use redsn0w 0.9 to jailbreak OS 3.1.2 you will end up with an upgraded baseband. I recommend you do not do this and use pwnagetool/custom ipsw instead. It is however, your choice and there is no way back.

    Quote Originally Posted by Cirpen View Post
    What's the advantages with my current baseband 04.26.08 comparred with the new one?
    The biggest advantage is that anecdotal reports suggest the wifi problems are more likely with baseband 05.11.07
    The only disadvantage is that you don't get the carrier name in the status bar (unless you load ultrasn0w). This is an apple bug and can be difficult if you roam and need to know what network you have roamed to so you don't end up with huge roaming/data charges.

    Reportedly a future version of pwnagetool will also include the fix for this bug for those who don't need to use ultrasn0w (software unlock)

    I have personally run the combination of 04.26.08 with OS 3.1.x on a factory unlocked 3GS for many months without any problems (aside from the carrier logo problem)

    Quote Originally Posted by Cirpen View Post
    If I should keep my current baseband but update to 3.12, how do I do that?
    Use Pwnagetool or a custom ipsw created with pwnagetool.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
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