Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is a seasoned multimedia journalist with more than a decade's worth of experience producing stories for ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

The 2018 iPhone lineup is shaping up to be the most colorful Apple ever put out, based on new leaked images of alleged SIM card trays destined for the iPhone 9 (or iPhone Xr or Xc — whatever Apple ...