The Universal Turbo sim is revolutionary do it yourself Plug & Play card to bypass simlocks for Mobile Phones. The universal sim is inserted into the mobile phone in parallel with your Operator's SIM card and enables you to use your choice of SIM card on phones locked to another provider. The universal sim fools mobile phones in to thinking you are using the same network simcard as the phone is locked to. So the universal sim can unlock GSM mobile phones that was very hard to unlock, like Nokia BB5, BlackBerry phones, iPhone, Sharp, etc.
