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Thread: iPhone 4 unlock not working

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I just bought a iPhone 4 with 5.1.1. Already with cydia. Ultrasn0w was already installed but my simple mobile sim isn't working. I downloaded the 5.1.1. Repo Fixer thing but
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  1. 09-27-2012, 04:34 PM #1
    majikcastle
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    Default iPhone 4 unlock not working
    I just bought a iPhone 4 with 5.1.1. Already with cydia. Ultrasn0w was already installed but my simple mobile sim isn't working. I downloaded the 5.1.1. Repo Fixer thing but nothing is happening. What am I doing wrong? I also tried putting in my old Gevey ultra s but it just says sim failure or invalid sim.
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  2. 09-27-2012, 05:02 PM #2
    daytonaviolet
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    what is your modem firmware ? for iphone 4, ultrasnow will only unlock up to 1.59 i believe.
    Last edited by daytonaviolet; 09-27-2012 at 05:18 PM.
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  3. 09-28-2012, 12:58 PM #3
    majikcastle
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    Modem firmware is 04.12.01 what can I do?
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  4. 09-28-2012, 01:02 PM #4
    2k1
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    Who is your service provider? Ya best bet would be IMEI unlock.
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  5. 09-28-2012, 01:04 PM #5
    majikcastle
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    At&t
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  6. 09-28-2012, 01:27 PM #6
    2k1
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    Check this thread out he can do it for ya.

    I am doing factory unlocks
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  7. 09-30-2012, 07:24 AM #7
    goofball2k
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    AT&T, definitely get an IMEI unlock, either via link posted above or ebay. For the paltry sum, it is well worth it.
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