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Thread: is it possible for 3gs upgrade from 3.1.2 to 4.0 then jb and unlock ?

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Just got my 3Gs with version 3.0 from friend, can I upgrade it to 3.1.2 then jailbreak and unlock then upgrade to 4.0 then jb and unlock? Or just upgrade
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  1. #1
    My iPhone is a Part of Me vietkool's Avatar
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    Default is it possible for 3gs upgrade from 3.1.2 to 4.0 then jb and unlock ?
    Just got my 3Gs with version 3.0 from friend, can I upgrade it to 3.1.2 then jailbreak and unlock then upgrade to 4.0 then jb and unlock? Or just upgrade from 3.0 to 4.0 then jb/ unlock ?

  2. #2
    Green Apple
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    model MB? or MC?

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    My iPhone is a Part of Me vietkool's Avatar
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    Model MC137LL
    Modem 04.26.08

  4. #4
    adp
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    No, MC models have not yet been jailbroken for 4.0.

    Hadn't I answered this in the other thread you did this week?
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    Livin the iPhone Life Simtech's Avatar
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    MC only applies to iPods... not iPhones.... (his phone has 3.0, has to be old bootrom.)
    Are you currently jailbroken?
    If not, jailbreak with purplera1n, then use a custom 4.0 firmware.
    Last edited by Simtech; 06-26-2010 at 10:09 PM.

  6. #6
    My iPhone is a Part of Me vietkool's Avatar
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    No the fone hasn't jailbroken yet. So I can upgrade to 3.1.2 first then jailbreak and then use custom 4.0 firmware ? and where do I get custom 4.0

    thanks so much for helping
    Last edited by vietkool; 06-26-2010 at 10:10 PM.

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    Livin the iPhone Life Simtech's Avatar
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    No, if you have never been jailbroken, then you don't have your SHSH files, which means you can only restore to the latest firmware (4.0)
    Just follow the instructions I gave you above.

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    My iPhone is a Part of Me vietkool's Avatar
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    do you have link how to jb by using purplera1n and link to download custom firmware 4.0 ? I found one link from iclarified (httpp://www.iclarified.com/entry/index.php?enid=4417 ) but dont know it is the rite one.

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    adp
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    Quote Originally Posted by Simtech View Post
    MC only applies to iPods... not iPhones.... (his phone has 3.0, has to be old bootrom.)
    Are you currently jailbroken?
    If not, jailbreak with purplera1n, then use a custom 4.0 firmware.
    Neither is the iPhone 3GS with the new Bootrom, the MC models.
    Sn0wBreeze 1.6 Released : Jailbreak iOS 4 for Windows
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    Livin the iPhone Life Simtech's Avatar
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    @adp, the new bootrom is the issue, not the MC models. There are many many MC model iPhones that have the old bootrom.

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    Yeah ih8sn0w dev's are never reliable

    My phone 3gs is an MC model, but its **923**


    + if he has 04.26.08, i don't even think they started making new boot rom's until post 3.1

    But why would you use purplera1n? I haven't heard that name is almost a year lol (only reason i say that it because you wont be able to find an official purplera1n download anymore)

    I'd recommend using redsn0w to jailbreak, then restoring to a custom 4.0 ipsw...
    The only thing I ask in return for helping, is that you click the thanks button, Thanks!

  12. #12
    My iPhone is a Part of Me vietkool's Avatar
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    you guys make me confused. so wat should I do first? upgrade to 3.1.2 then jailbreak then use custom 4.0 to restore then jailbreak and unlock ?

  13. #13
    adp
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    To clear out all confusion, download Fuzzyband from Cydia and run the app. This will tell you exactly what baseband/bootrom you currently have.
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  14. #14
    My iPhone is a Part of Me vietkool's Avatar
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    bro, the fone is till on AT&T anh not jb or iunlocked yet. How do I get cydia to load to the phone first in order to d/l Fuzzyband app?
    Iam not really hurry for the version 4.0 if it is not truthly ready for 3Gs but I need to unlock the fone to use on Tmoblie . This is the only one I have since I traded my old 3G to the friend (of course give him som cash )
    Last edited by vietkool; 06-27-2010 at 12:30 PM.

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    adp
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    Is it on 3.1.2? You can use blackra1n to jailbreak and download from cydua
    If I helped you out, please use the Thanks button ------------------------->

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    Livin the iPhone Life Simtech's Avatar
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    He said in his original post that he is on 3.0. He is not jailbroken so he doesn't have SHSH files stored, so he cannot upgrade to any FW version other than 4.0. If on 3.0, purplera1n is the jailbreak for that firmware.
    Read.....

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    Just use purplera1n and install ultrasn0w.

  18. #18
    My iPhone is a Part of Me vietkool's Avatar
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    no, the one I got now is on version 3.0, modem 04.26.08 . No jailbroken or unlock yet.
    @SimTech : I couldn't find purplera1n but I found Blackra1n ... will it work ?

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    No, search for purplera1n in google, for search how to use redsn0w

  20. The Following User Says Thank You to babyblue_pimp For This Useful Post:

    vietkool (06-27-2010)

  21. #20
    My iPhone is a Part of Me vietkool's Avatar
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    k, I used RedSn0w and got the version 3.0 Jailbroken now. with Cydia on it. Wat should I do next ? Should I use RedSn0w again to jb 3.1.2 ? or just use the custom 4.0 to restore?
    I did installed th Fuzzyband
    here info.
    Bootloader ver: 06.04 [G2M3S2]
    Baseband Ver : ICE2-04.26.08
    Iphone OS : 3.0
    Last edited by vietkool; 06-27-2010 at 03:30 PM.

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