Question

ʄʊʟʟ ʄօʀʍ օʄ SIM ?
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dedicated to sme1 .....|
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Answer 1

Answer:

A subscriber identity module or subscriber identification module (SIM), widely known as a SIM card, is an integrated circuit that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephony ...