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Discuss iPhone 3GS upgrading options at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; Hello All, I have iPhone 3GS on ios 3.0 with old bootrom 04.26.08 Model MC143C ...
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    Exclamation iPhone 3GS upgrading options

    Hello All,

    I have iPhone 3GS on ios 3.0 with old bootrom 04.26.08 Model MC143C and I want to upgrade to ios 4.1. My device is already jailbroken and unlocked but i am not sure about the method used for jailbreaking/unlock. I am a windows XP user please guide me how to upgrade to ios4.1, jailbreak my device and keep the phone unlocked as well.

    Thanks
    Last edited by jamil; 01-29-2011 at 10:48 PM.



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    Super Moderator Array Olethros's Avatar

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    jamil, you need to find out if you have saved any SHSH for this phone.

    On the 3GS the SHSH is required before you can restore your phone to the 4.1 iOS or iOS 4.2.1 version.

    Your device is old enough to be 100% sure that you have an old bootrom device (great news)

    The bad news is that you are using the wrong desktop OS (windows). Preventing baseband update requires Pwnagetool and that is only available for Mac OS X.
    Before you ask, no sn0wbreeze is not acceptable. We don't recommend or support sn0wbreeze on this forum for good reason.

    Find a friend with a mac, or set up a virtual machine running OS X using the free virtual box.
    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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    Thanks for the response Olethros, I do have SHSH saved for 3.1 to 4.2+ on cydia servers. So there is no hope to JB and unlock on windows plateform?

    Thanks again

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    Super Moderator Array Olethros's Avatar

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    The only way to prevent baseband update is to use custom IPSW.
    We recommend that you only use custom IPSW made with pwnagetool using official iphone dev bundles (there are a lot of buggy IPSWs made with unofficial bundles around on the net). Avoid sn0wbreeze also, it isn't reliable, we don't support or recommend it here.

    Pwnagetool is OS X only. Your two options are:

    Find a friend you can trust with a mac (they don't have to live near you). Get them to make the custom IPSW with pwnagetool 4.1.3 and the correct old bootrom 3GS bundle and settings. Then they send you this custom IPSW. You can use a special feature feature of windows redsn0w 'just enter pwned dfu mode' and then you can restore this custom IPSW.

    Install OS X in a virtual machine on your XP box. Then you can run pwnagetool and make your own custom IPSW. You still need to transfer the custom IPSW to your windows OS and restore using redsn0w 'pwned dfu mode' and iTunes on your windows machine (it doesn't work to restore from iTunes running in a virtualized OS X)
    Last edited by Olethros; 01-31-2011 at 11:10 AM.
    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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    Ok great...now lets say i somehow manage to acquire a custom ISPW prepared with pwnagetool 4.1.3 and i use readsn0w to restore this custom ISPW and something goes wrong will i be able to manage then those problems with my Windows machine?

    One more favour will be highly appreciated, if you can please suggest a reliable source for the tools and guide to install OS X on my XP machine.

    I am really very thankfull for your time, no matter my problem is solved or not i will remember this favour for ever.

    Thanks again.


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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by jamil View Post
    Ok great...now lets say i somehow manage to acquire a custom ISPW prepared with pwnagetool 4.1.3 and i use readsn0w to restore this custom ISPW and something goes wrong will i be able to manage then those problems with my Windows machine?
    The two worst things that can go wrong are:
    1. The custom IPSW doesn't prevent baseband update (then your only unlock option is the iPad baseband technique which has it's own set of limitations/problems and is only recommended if you've already upgraded past 5.13.04 baseband)
    2. The custom IPSW includes malware (there are so many options here, the most likely is modified hosts file, or simple keyloggers to try and obtain your passwords to common systems). The solution here would involve restoring a legitimate IPSW (still custom) and changing all your passwords (assuming that was what the malware did)


    As for guides/tools, this site is called hackint0sh - there are other forums which deal with this kind of question, start searching there (however don't expect anyone to create you a step by step guide)
    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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    Actually i am quite happy with ios 3.0 but there are now applications out there in the market which requires a higher version of ios. Keeping in view the discussion it looks like that going to ios 4.1 is a bit risky and i dont want to mess up with my iphone. So despite ios 4.1 what are my other options may be 4.0 or even 3.1.3 on windows xp plateform?

    One more thing why dont Hackint0sh put ligitmate custom ISPW files on this site for download? a lot of people are facing this problem coz they dont have access to mac!!!!
    Last edited by jamil; 02-01-2011 at 10:47 AM.

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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by jamil View Post
    Actually i am quite happy with ios 3.0 but there are now applications out there in the market which requires a higher version of ios. Keeping in view the discussion it looks like that going to ios 4.1 is a bit risky and i dont want to mess up with my iphone. So despite ios 4.1 what are my other options may be 4.0 or even 3.1.3 on windows xp plateform?
    3.1.3 is definitely possible without updating your baseband. The following solution does not require pwnagetool.
    Preventing baseband update as a last-ditch effort [iPhone Dev Team]

    Quote Originally Posted by jamil View Post
    One more thing why dont Hackint0sh put ligitmate custom ISPW files on this site for download? a lot of people are facing this problem coz they dont have access to mac!!!!
    The reason is that sharing modified IPSW is illegal. It's perfectly legal to tweak/customise/modify an IPSW and use it on your own computer. However as soon as you share it on the internet - it's software piracy (because you don't have permission from Apple to distribute a modified version of their software) and we don't support software piracy here.
    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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    Preventing baseband update as a last-ditch effort [iPhone Dev Team]

    The link says:

    Only use this method if you meet *all* of these requirements:

    1. Using an iPhone 3GS; and
    2. No 3.1.2 SHSH blobs on file with Cydia (or locally on your computer); and3. You've never updated or restored (or bought your iPhone with) stock 3.1.3 before; and
    4. Have access to a SIM card that will allow your iPhone 3GS to activate through iTunes. This is an important requirement because if you don't meet it then this method is pointless since you won't be able to use the Spirit JB. Note that you'll only need this SIM card to activate the iPhone before running Spirit, and you don't need to keep it after that.
    5. You're currently in a reboot loop or stuck in recovery mode. If you're not, and if the only thing you're trying to do is switch to an untethered jailbreak, then please reconsider what you're about to do. (You may want to leave well enough alone for now.)
    6. Please consider this method a “last-ditch” way to undo your previous mistake only.


    I dont think i meet the requirement at S. No 2, 5 and 6!
    Last edited by jamil; 02-02-2011 at 11:18 AM.

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    Super Moderator Array Olethros's Avatar

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    Don't worry about points 2, 5

    Thanks for pointing this out though as Point 4 is very important... I'd forgotten about this "need to activate legitimately" requirement.
    You can use the "last ditch" method to restore to 3.1.2 (which you can then jailbreak with redsn0w 0.9.2 or blackra1n [I don't recommend blackra1n])

    As for point 6 - yes it's really a last-ditch method, however it's the only way aside from custom IPSW that you can block baseband update.

    Also, Apple changed the restore logic in the iOS 4.0 betas to block this technique, so it cannot be used to block baseband update for any iOS 4.x restore.
    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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