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Archive for February 2nd, 2008

SIM Card Filesystem

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SIM card is one of smartcard type use widely on telecomunication sector. As a smartchip which has operating system, CPU, RAM, it also has a filesystem. You need to read 3GPP TS 51.011 about Specification of the Subscriber Identity Module – Mobile Equipment (SIM – ME) interface.

Now I am going to share a picture of a filesystem on a working SIMCard, sorry some secret information is not revealed :). Moreover this picture is taken from commercial product Gemalto Card Admin.

simcard content

For each details of those file, please read the above spec

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Written by adywicaksono

February 2, 2008 at 2:53 am

Posted in Mobile, SmartCard