Help -- Using ATT iPad Sim in iPhone 4 5.1 (04.12.01)

Discussion in 'iPhone' started by spitboy2000, Sep 14, 2012.

  1. spitboy2000 macrumors member

    Nov 2, 2007
    I used to have this great set-up -- using my ATT iPad sim in my iPhone for a data-only iPhone. Used google voice and skype. Perfection.

    Then google voice started to get jinky and I was losing messages. So I went back to regular.

    Now I'm getting pissed at the monthly fees and want to get back to my original set up.

    But I'm hearing that it's hard to jailbreak 5.1 with firmware 04.12.01.

    I've also heard that I don't have to unlock the phone to do this?

    Does anyone have any suggestions?
  2. Carl G35c macrumors 6502

    Aug 14, 2008
    you can jailbreak 5.1.1.

    If its a ATT sim and ATT iphone 4, no unlocking is needed
  3. spitboy2000 thread starter macrumors member

    Nov 2, 2007
    cool. now that 6.0 is out, do you know how i can update to 5.1.1 ?

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