Method for provisioning an embedded universal integrated circuit entity within an electronic device, wherein the embedded universal integrated circuit entity is integrated in the electronic device, wherein a memory area is assigned to the embedded universal integrated circuit entity, wherein the electronic device comprises a microprocessor as well as a radio module, the radio module providing the capabilities for physically enabling the establishment of a radio link between the electronic device on the one hand, and a mobile communication network on the other hand, wherein the embedded universal integrated circuit entity is in data communication with the microprocessor, wherein the method comprises the following steps: -- in a first step, the embedded universal integrated circuit entity is initialized after being activated by the microprocessor, wherein the microprocessor routinely checks all registers and memory parts that are available, wherein one of these registers and memory parts is a memory area of the embedded universal integrated circuit entity, wherein after this initial check, the embedded universal integrated circuit entity is initialized and the thus determined initial status is stored in a fixed memory area or memory part of the embedded universal integrated circuit entity, wherein this initial status is then used to generate a serial number that comprises a secret information, -- in a second step, subsequent to the first step, the embedded universal integrated circuit entity transmits the secret information to the microprocessor, wherein the secret information is a secret information that is generated by the embedded universal integrated circuit entity subsequent to the first step and prior to the second step, -- in a third step, subsequent to the second step, the secret information is stored in the memory area, -- in a fourth step, subsequent to the third step, an initial communication contact, using the radio link capabilities provided by the radio module, is established between, on the one hand, the electronic device and the embedded universal integrated circuit entity, and, on the other hand, the mobile communication network or a server device, wherein the initial communication contact is established in order to transmit the secret information, wherein during the initial communication contact, an access number is transmitted, to the electronic device, by either the mobile communication network or the server device, wherein the access number is assigned, by the mobile communication network, to the embedded universal integrated circuit entity such that the access number is able to be used by the embedded universal integrated circuit entity and the radio module for subsequent communication contacts with the mobile communication network, after the initial communication contact, wherein the initial status is also stored in the radio module such that - during the life time of the radio module and of the embedded universal integrated circuit entity - a unique assignment exists between the radio module, on the one hand, and the embedded universal integrated circuit entity on the other hand. -- in a first step, the embedded universal integrated circuit entity is initialized after being activated by the microprocessor, wherein the microprocessor routinely checks all registers and memory parts that are available, wherein one of these registers and memory parts is a memory area of the embedded universal integrated circuit entity, wherein after this initial check, the embedded universal integrated circuit entity is initialized and the thus determined initial status is stored in a fixed memory area or memory part of the embedded universal integrated circuit entity, wherein this initial status is then used to generate a serial number that comprises a secret information, -- in a second step, subsequent to the first step, the embedded universal integrated circuit entity transmits the secret information to the microprocessor, wherein the secret information is a secret information that is generated by the embedded universal integrated circuit entity subsequent to the first step and prior to the second step, -- in a third step, subsequent to the second step, the secret information is stored in the memory area, -- in a fourth step, subsequent to the third step, an initial communication contact, using the radio link capabilities provided by the radio module, is established between, on the one hand, the electronic device and the embedded universal integrated circuit entity, and, on the other hand, the mobile communication network or a server device, wherein the initial communication contact is established in order to transmit the secret information, wherein during the initial communication contact, an access number is transmitted, to the electronic device, by either the mobile communication network or the server device, wherein the access number is assigned, by the mobile communication network, to the embedded universal integrated circuit entity such that the access number is able to be used by the embedded universal integrated circuit entity and the radio module for subsequent communication contacts with the mobile communication network, after the initial communication contact,