SIM card

The small microchips known as “subscriber identity modules” or SIM cards that are required for mobile phones to log on to a phone network will soon be 25 years old. While mobile phones and network technology have progressed in leaps and bounds, SIM cards are still lodged in handsets.

The small microchips known as “subscriber identity modules” or SIM cards that are required for mobile phones to log on to a phone network will soon be 25 years old. While mobile phones and network technology have progressed in leaps and bounds, SIM cards are still lodged in handsets.