QYR Market Research EMEA SIM Cards industry research | Page 3

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A SIM card contains its unique serial number (ICCID),
international mobile subscriber identity (IMSI) number,
security authentication and ciphering information,
temporary information related to the local network, a list
of the services the user has access to, and two passwords:
a personal identification number (PIN) for ordinary use,
and a personal unblocking code (PUK) for PIN unlocking.