Can someone please explain to me what is Gevey SIM hack and how it works to unlock your iPhone 4? 

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  1. As soon as iPhone Dev-Team failed to produce Ultrasn0w unlock for iPhone 4 2.10.04, 3.10.01 baseband, a Chinese hacker team called Gevey started to look into the issue and found a working solution which can actually unlock iPhone 4 on said the basebands

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    What is Gevey SIM Hack?

    The hack involves a wafer thing SIM, that needs to be inserted in the SIM card tray along with the actual SIM card that you wish to use in your iPhone 4.
    You then have to follow a short procedure of dialling an emergency number, hanging up, then toggling flight mode on and off a few times.
    Then service with your chosen provider magically appears.


    Gevey Turbo Sim as they call it is actually not a sim. It is a sim interposer .
    An interposer is an electrical interface that directs the connection from one socket to another.
    The purpose of a sim interposer in this case is tore-route a connectionto a different connection which can then unlock the iphone 4 .
    Gevey Sim Interposer is an integrated circuit which contains the unlock exploit using emergency number dialing [112].

    Here’s what to do to unlock:

    * Turn off the iPhone 4;


    * Place the adapter into the holder, on top put your micro-SIM;
    * Get the design insert in the iPhone, turn;


    * The status bar displays “No Signal”. Wait until its place appears the signal strength indicator;
    * When this happens, call the emergency 112 call, and resets after 2 seconds;
    * You go to Settings and turn Airplane Mode, and then turn it off;


    * iPhone displays the message “Error SIM-card” and then “SIM-card inserted.”Click OK, and then again turn on Airplane Mode and turn it off again;
    * “Error SIM-card reappears, but after a couple of seconds it will disappear and you

  2. Gevey Sim hack is a one of the hardware method to unlock Iphone. But it is suitable for only professionals or experts. Better use easy method to unlock your Iphone. I would suggest remote unlocking service to unlock your Iphone. It is the easiest way to unlock your Iphone without any problem. Get the service from the site ,and unlock it yourself using unlocking instructions which is given in the site itself.


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