BlackBerry is available at many outlets wireless provider in the world and this will include T-Mobile, Vodafone, Verizon and AT&T or Cingular. All outlets selling mobile phones at discount prices and they make money depending on the contract that the customer has signed. In order to ensure that the customer sign the contract again this outlet set up a "subsidy lock" on the phone to prevent it from being used on another operator's network and this is what is called the phone is locked. To unlock your phone you will have to choose one of four methods available are: Calling your wireless carrier to get the unlock code and here you must first fulfill certain requirements set by the operator. Some requirements include a minimum amount of time and has a paid account. Most of the operators usually do not charge for this service. Calculate Unlock Code from IMEI is another way of unlocking the Blackberry and this is because most providers IMEI number to generate unlock code. There are several companies that deals with the calculation of the code is open and they usually run a website where you can enter the IMEI number and receive the unlock code where most of them do it for free. This method however does not work with all carriers like some set to open at random code.
