A method for loading or reloading a SIM card (7) for a mobile device (6). The SIM card (7) has an electronic chip with a storage device (11). In the storage device (11) a monetary sum (28) is stored, and decreases as the mobile telephone is used. For loading or reloading the monetary sum, a prepayable...http://www.google.de/patents/US6375073?utm_source=gb-gplus-sharePatent US6375073 - Method for crediting or recrediting a data card with a given amount
