An apparatus includes one or more processors, one or more memories. The apparatus is portable and it includes or is coupled with at least one subscriber identification module capable of storing one or more security codes which are used in a security code check for controlling usability of the at least one subscriber identification module with the apparatus. The apparatus obtains a request from the at least one subscriber identification module for at least one security code. The apparatus controls providing an automatic response to the request with at least one security code available to the apparatus for enabling or disabling the use of the at least one subscriber identification module. The apparatus transmits a request for a security code to a server wirelessly. The server transmits wirelessly a code stored in the database to the at least one apparatus as a response to the request.