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  1. #1
    Junior Member
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    Oct 2011
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    36757

    Invalid Sim in I-phone 4 after jail broken and unlocked

    Hello,

    i got "invalid sim" and "sim card failure" message after unlocking my i-phone 4 using the ultrasnow.

    i tried rebooting it several times, it doesnt help

    i tried reseting network settings, it doesnt help

    modem firmware : 4.10.01

    i tried sim card in another phone, it works.

    Thanks for your help

    Thanks
    Dinesh



  2. #2
    Junior Member
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    i am having 4.3.2

  3. #3
    Senior Member
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    04.10.01 is not supported by ultrasnow. You need to use stuff like Gevey in order to unlock your phone. Welcome to the forum.

  4. #4
    Junior Member
    Join Date
    Oct 2011
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    Thank you !
    i am a newbie for i-phone 4. can you guide me how to get the correct gevy sim and instructions to install it?

  5. #5
    Senior Member
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    Unfortunately I can't help you to get any Gevey also can't help you to install it, you do it, and you do it at your own risks. Gevey is a sim card you can purchase from Amazon or bestbuy etc... Google to know more about it, I personally don't have any experience with Gevey.


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