Sim dating 2 0

This specification describes the physical and logical behaviour of the SIM.

The first SIM card was developed in 1991 by Munich smart-card maker Giesecke & Devrient, who sold the first 300 SIM cards to the Finnish wireless network operator Radiolinja.To provide interoperability of the applications, ETSI chose Java Card..Additional standards and specifications of interest are maintained by Global Platform.ICCIDs are stored in the SIM cards and are also engraved or printed on the SIM card body during a process called personalisation.The ICCID is defined by the ITU-T recommendation E.118 as the Primary Account Number.If a SIM is outside these preferred networks it uses the first or best available network.

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