Sim Card Vs Sd Card What S The Difference
The Basics of SIM and SD Cards A SIM card or Subscriber Identity Module is a microchip that securely stores your mobile phone number and cellular network subscription data. It lets mobile phones make phone calls, send text messages (SMS), and use data services on a GSM cellular network. Mobile phones have a dedicated SIM card slot, and the card’s size can range from a full-size SIM to a nano SIM card....