Method for switching from a first to a second mobile network operator and corresponding device

A device for switching from a first to a second mobile network operator, wherein

• the device comprising a chip, the chip comprising means for storing a first subscription relating to the first mobile network operator, the first subscription being related to a home country, the chip comprising means for storing at least one second subscription relating, each, to a second mobile network operator, each of the at least one second subscription being related to the home country or a foreign country, the chip being able to receive from the device location information, each of the at least one second subscription being associated with a preferred communication technology, the chip is configured to:
• analyse whether an extended cell identity value is or is not present within the location information;
• detect, based upon the analysis, a currently available communication technology relating to a second mobile network, the second mobile network being related to a second home country operator or a foreign country operator;
• compare the currently available communication technology to at least one preferred communication technology;
• switch to a second subscription associated with the preferred communication technology, only if the currently available communication technology matches at least one preferred communication technology;
• and
• send to the device at least one identifier relating to the second subscription, only if the currently available communication technology matches at least one preferred communication technology, the second subscription being related to the second mobile network.