iPhone upgrade iphone 3g 3.1.2 to any better ios.. need help

Discussion in 'Jailbreaks and iOS Hacks' started by roshaan, Oct 12, 2012.

  1. roshaan macrumors newbie

    Joined:
    Oct 12, 2012
    #1
    hi. i am a newbie to iphone. i request some guidence

    i have an old iphone 3g jailbroken with ios 3.1.2.
    i want to upgrade the ios to a newer version. please suggest me an ios for this phone which i can jailbreak. advice from an experienced user please :(
     
  2. TriJetHero macrumors 601

    TriJetHero

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    World
    #2
  3. roshaan thread starter macrumors newbie

    Joined:
    Oct 12, 2012
    #3
    Trijet would it be too much to ask if you guide me through the process, coz i really m not a computer wiz and dont know much of the terms used here.. ure help will be truely appreciated..

    ----------

    "If your baseband is already unlockable and you are on a lower firmware version then use PwnageTool to update to 4.2.1 without upgrading your baseband."

    do i come in this category?? it is copied from the link u pasted.. and should i follow the instructions given?
    i have important notes on my iphone, would it be cleared too if i upgraded it?
     
  4. dhlizard, Oct 12, 2012
    Last edited: Oct 12, 2012

    dhlizard macrumors G4

    dhlizard

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    #4
  5. TriJetHero macrumors 601

    TriJetHero

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    #5
    yes that would be a bit too much… :)

    Do you need to unlock the phone?
     
  6. roshaan thread starter macrumors newbie

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    Oct 12, 2012
    #6
    my phone is unlocked already, i mean jailbroken on 3.1.2.. i just want to update to a newer version of ios.. my cydia isnt working on this one, it crashes on loading, so i thot upgrading to a newer version would solve the problem..
     
  7. TriJetHero macrumors 601

    TriJetHero

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    #7
    try reading up first on jailbreaking and unlocking, 2 different things.
     
  8. roshaan thread starter macrumors newbie

    Joined:
    Oct 12, 2012
    #8
    yea my phone is jailbroken plus unlocked, it can be used with any carrier.. i m just wondering, would it hurt to upgrade from ios 3.1.2 to 4.2.1? coz there r quite a few apps etc which only support's ios4 or above.. and how should i save my data before upgrading to the new ios. please help
     
  9. TriJetHero macrumors 601

    TriJetHero

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    Oct 13, 2010
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    #9
    is it factory unlocked, IMEI unlocked or software unlocked? it makes a difference.

    Txt, contacts, pic etc backup via itunes, jailbreak apps via a 3rd party backup from cydia or manual after rejailbreak.
     
  10. roshaan thread starter macrumors newbie

    Joined:
    Oct 12, 2012
    #10
    i dont know about if its factory unlocked or IMEI or via software.. how can i find out? i bought it from someone a year ago in this condition as it is now, jailbroken and unlocked.. oh yea, after restore and jailbreak, do i need to unlock again?

    and contacts, notes and pics etc i can backup on itunes? like i should back up the fone before upgrading to new ios and then sync it with itunes would bring my stuff back, right?
     

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