Phone lock code meaning that you entered a code that will be asked when phone start up or your phone is locked to a surtain provider. in case of the first kind you only need to start seTool and Identify, your code will be read, in case of the second you either go to a service center and they'll unlock it for you and you pay for it or you look for the sim lock patch generator thread that simox started and follow instruction and you unlock your phone for free.