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I wouldn't risk it myself. I know that overseas, you can pay the carrier a certain amount and they will factory unlock the iphone. It has to be one of theirs though.
 
Not possible to use an IMEI unlock with an iphone.
Its a different process that goes thru Apples servers and activates as unlocked thru itunes. Its not like every other cellphone out there.
Dont waste your money.
 
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