An apparatus for a mobile communication apparatus, the apparatus comprising: a first profile host configured to store at least one non-operational subscriber identity module, SIM, profile (212, 214, 216); a second profile host comprising a certified non-removable subscriber identity module, SIM and configured to store at least one operational SIM profile (218, 220, 222) and a profile host selection unit configured to select only one of the first profile host and the second profile host to be active at any time, characterized in that the profile host selection unit is further configured to: enable communication between the non-removable SIM and the mobile communication apparatus based on a configuration value that enables communication between the non-removable SIM and the mobile communication apparatus; and after the communication between the non-removable SIM and the mobile communication apparatus is enabled: change the configuration value in response to one of a local and a remote request entered by a user of the mobile communication apparatus; wherein the apparatus is further configured to: based on the changed configuration value, disable the enabled communication between the non-removable SIM and the mobile communication apparatus such that no SIM communicates with the mobile communication apparatus. a first profile host configured to store at least one non-operational subscriber identity module, SIM, profile (212, 214, 216); a second profile host comprising a certified non-removable subscriber identity module, SIM and configured to store at least one operational SIM profile (218, 220, 222) and a profile host selection unit configured to select only one of the first profile host and the second profile host to be active at any time, characterized in that the profile host selection unit is further configured to: enable communication between the non-removable SIM and the mobile communication apparatus based on a configuration value that enables communication between the non-removable SIM and the mobile communication apparatus; and after the communication between the non-removable SIM and the mobile communication apparatus is enabled: change the configuration value in response to one of a local and a remote request entered by a user of the mobile communication apparatus; wherein the apparatus is further configured to: based on the changed configuration value, disable the enabled communication between the non-removable SIM and the mobile communication apparatus such that no SIM communicates with the mobile communication apparatus. enable communication between the non-removable SIM and the mobile communication apparatus based on a configuration value that enables communication between the non-removable SIM and the mobile communication apparatus; and after the communication between the non-removable SIM and the mobile communication apparatus is enabled: change the configuration value in response to one of a local and a remote request entered by a user of the mobile communication apparatus; wherein the apparatus is further configured to: based on the changed configuration value, disable the enabled communication between the non-removable SIM and the mobile communication apparatus such that no SIM communicates with the mobile communication apparatus.