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 ...

Apple has made the SIM-free variant of the iPhone Xr available from its web site. The phone ships unlocked and without service from any wireless carrier. People who buy the phone will need to use an ...

Posts from this topic will be added to your daily email digest and your homepage feed. is a reviews editor who manages how-tos and various projects. She’s worked as an editor and writer (and ...

Apple has made the iPhone XR available SIM-free in the United States, allowing customers to purchase the phone unlocked and unassociated with any carrier. Customers can then choose to obtain a SIM ...