at&t/iphone

Out of context: Reply #10

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  • rafalski0

    You can fairly easily crack it to use with any at&t card/plan, but you can only unlock the sim if the phone has a pre 4.6 bootloader installed. Bootloader is the device's deep firmware, something bios-like. They began shipping the 4.6 around 42th week of production in the US and all EU phones have it.
    There are modifications you can apply to the simcard if you have the new version though, google turbosim, magicsim.
    Mine is a week 28 US model and I had no problem at all activating, jailbreaking and unlocking the thing (yes there are these 3 steps of cracking the device).

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