Unlocking iPhone 4

Discussion in 'iPhone Tips, Help and Troubleshooting' started by sebastes, Sep 13, 2011.

  1. sebastes macrumors newbie

    Joined:
    Sep 13, 2011
    #1
    Hi,
    I need to put a new sim card in my iPhone 4 but so far it's locked to my old card.
    My version is 4.3.2 (8H7) and the modem firmware is 04.10.01
    Does anybody know what to use to unlock it so I can use both cards? (Preferably without losing my old data)
     
  2. PsstGreek macrumors 68040

    PsstGreek

    Joined:
    Oct 21, 2010
    Location:
    Tampa Bay
    #2
    Either your carrier can unlock the iphone for you, or by using a Gevey Turbo sim.
     
  3. jekyoo macrumors 6502

    Joined:
    Sep 11, 2007
    Location:
    Chicago
    #3
    You'll need to purchase a gevey sim. Only the baseband 01.59.00 on the iPhone 4 is unlockable. 01.59.00 is from iOS 4.0 so it's pretty rare unless someone knowledgeable kept the baseband preserved.
     
  4. toiday macrumors regular

    Joined:
    Sep 4, 2011
    #4
    I got 2 Gevey sims before and they are not working very well. I would have to keep trying and trying for many times to get it to work. Once it works, if I have to power off the phone, I will have to restart the process again.

    Then I read about the Gevey sim and found out that there are so many different ones. But ONLY the original one is the real one and the rest are imitations. The 2 I previously got are imitations. I now have the real Gevey sim. My phone works every single time I turns it on. The nice thing about this is I don't have to jailbreak my phone and I can go up to 4.3.5. Check this out at gevey.com. The .us one is fake.
     

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