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  1. #1
    What's Jailbreak?
    Join Date
    Nov 2007
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    Default iphone 4 can' read at&tsim card

    just bought a use iphone 4 after i put my at&t sim card in phone can't read no signal at all please help

  2. #2
    Green Apple
    Join Date
    Nov 2010
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    Had the same issue with my phone.

    After comparing the phone model number (settings->general->about) I compared to a country list and found my phone was a UK iPhone,

    So it would need to be unlocked to work with AT&T.




    Model-country-carrier list here

    http://shomblingteam.blogspot.com/20...l-numbers.html

  3. #3
    What's Jailbreak?
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    Nov 2007
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    ok after search in google now i know my phone was a japan iphone so just wait for the unlock thanks

  4. #4
    Super Moderator
    Join Date
    Apr 2009
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    Owasso,OK
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    what firmware and baseband u on?

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