How mobile reads a SIM card?

Functionality of SIM card in mobile phone and how mobile reading it?

2006-07-07 01:12:15 · 1 answers · asked by Eagle 1 in Consumer Electronics ➔ Cell Phones & Plans

1 answers

Sim Card is just a memory chip with read and write. The GSM phones store phone numbers on it and it contains electronic serial number that the telephone networks understand.

2006-07-07 01:16:16 · answer #1 · answered by Bill 6 · 0⤊ 0⤋

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