A method for providing a mobile network code associated with a network operations center to a mobile terminal. The method reading a first mobile network code from a removable data device installed in the mobile terminal. The method further comprises reading a second mobile network code from a fixed memory of the mobile terminal. The method further comprises comparing the first mobile network code with the second mobile network code. The method further comprises, responsive to determining that the first mobile network code does not match the second mobile network code, disabling at least one non-emergency function of the mobile terminal.