A profile server for providing electronic communication profiles of electronic subscriber identity modules of mobile communication devices, wherein each electronic subscriber identity module is assigned an electronic identification (elD), wherein the mobile communication devices are assigned to different device classes, with: a communication interface designed to receive an electronic identification; a memory designed to store device-specific electronic communication profiles for different device classes of mobile communication devices; a processor designed to determine a device class of the mobile communication device based on the received electronic identification, the processor being designed to read from the memory a device-specific electronic communication profile assigned to the determined device class of the mobile communication device; wherein the communication interface is designed to transmit the read electronic communication profile to the mobile communication device, characterized in that the electronic identification is an electronic identification of an electronic subscriber identity module of a mobile communication device, the processor is designed, for determining the device class, to instruct the communication interface to transmit the received electronic identification via a communication network to a data server in which the device classes are assigned to electronic identifications, and wherein the communication interface is designed to receive from the data server the device class, and the processor is designed to configure the selected communication profile in a user-specific manner, in particular to adapt the data rate or the delay to communication requirements or contract provisions of a user of the mobile communication device. a communication interface designed to receive an electronic identification; a memory designed to store device-specific electronic communication profiles for different device classes of mobile communication devices; a processor designed to determine a device class of the mobile communication device based on the received electronic identification, the processor being designed to read from the memory a device-specific electronic communication profile assigned to the determined device class of the mobile communication device; wherein the communication interface is designed to transmit the read electronic communication profile to the mobile communication device, characterized in that the electronic identification is an electronic identification of an electronic subscriber identity module of a mobile communication device, the processor is designed, for determining the device class, to instruct the communication interface to transmit the received electronic identification via a communication network to a data server in which the device classes are assigned to electronic identifications, and wherein the communication interface is designed to receive from the data server the device class, and the processor is designed to configure the selected communication profile in a user-specific manner, in particular to adapt the data rate or the delay to communication requirements or contract provisions of a user of the mobile communication device.