data loading process, or applications in a mobile station equipment implementing a proactive SIM card

The invention concerns a method for loading data or applications from a server SR (10) connected to a telecommunication network (12) in a mobile equipment ME (14) of a mobile station MS (30) capable of being connected to said telecommunication network (12). The invention is characterized in that it comprises the following two main steps which consist in: (a) setting up a communication channel between the SIM card (16) associated with the mobile equipment (14) and the remote server (10) via a first communication port (P1) of the mobile equipment (14); (b) using said communication channel to load the server (10) data into the mobile equipment (14) via a second communication port (P2) of the mobile equipment (14).