How to access the SIM card applications and services on iPhone

A SIM card is a tiny chip found inside most cell phones, but most of you are probably aware of this. Yet did you know that a tiny amount of memory on the SIM card allows for program code to be stored there? Basic applications are usually pre-written on this program space by the carrier issuing the SIM Card
A SIM card is a tiny chip found inside most cell phones, but most of you are probably aware of this. Yet did you know that a tiny amount of memory on the SIM card allows for program code to be

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