Thales Dis France Sas

Dominique Petyt

Jean-François Gros

Jérôme Voyer

Damien Bordron

Jerome Voyer

Jean Francois Gros

The disclosure proposes a method for switching from a first subscription of a first telecommunication network operator to a second subscription of a second telecommunication network operator on a plurality of smart cards, the method comprising, for each smart card pre-provisioning the smart card with a batch of secret keys at the level of a personalization factory; thanks to a first input file transmitted by the first telecommunication network operator to the personalization factory, generating at the personalization factory an output file comprising a first secret key selected in the batch, a corresponding first IMSI and a first ciphered operator code; transmitting the output file to the first telecommunication network operator; and transmitting OTA keys and the first IMSI to an OTA server of a service provider managing the smart card in order to attach the smart card to the first telecommunication network.

Method to provision a subscription in a constrained device

Provided is a method for steering a terminal cooperating with a secure element in a telecommunication network to the user's home MNO or MVNO. The method includes steps of Detecting () a cell ID change in the telecommunication network; Verifying () that the terminal is present in another country than his MNO/MVNO; Verifying () if the secure element is connected to his MNO/MVNO; Verifying () if the cell ID is already memorized in the terminal or the secure element; Clearing the location information files of the secure element and make a Refresh () of the secure element; Verifying () again if the secure element is connected to the home MNO or MVNO; and G-Storing () the cell ID of the current telecommunication network in the terminal or in the secure element with the associated national MNO partner if it has not been previously stored.

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Auribeau Sur Siagne, France

Dominique Petyt