Giesecke+devrient Mobile Security Gmbh

Claus Jarnik

Monika Eckardt

The present invention is directed to a method for efficiently distributing embedded control commands to one or several security elements, in particular so-called embedded universal integrated circuit cards, of mobile end devices. The invention allows several updates to be combined in a simple manner to form a so-called bundle, so that an update server does not have to issue and distribute any special updates. The present invention is also directed to a correspondingly adapted update arrangement and to a computer program product with control commands that implement the method and/or operate the update arrangement.

Efficient firmware updates

A method is provided for managing a plurality of subscriptions on a security element of a mobile end device for logging into a respective mobile radio network, and such a security element. The security element has a plurality of memory locations for storing the plurality of subscriptions, wherein the plurality of subscriptions comprises a primary subscription and at least one secondary subscription. In the primary subscription there is deposited a set of rules which determines whether the at least one secondary subscription on the security element can be used.

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Windach, Germany

Claus Jarnik