These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another.

SIM cards have become a universal aspect of modern smartphone usage, but the technology and meaning behind the name dates more than three decades.

A new partnership between Deutsche Telekom, IoT managed connectivity provider Tele2, and CSL Group subsidiary rSIM will bring multi-network connectivity to the IoT, allowing for more robust and ...

The programmable Apple SIM, today for the new iPad Air 2, gives users the freedom to move from one wireless carrier to another -- in theory, at least. Love Apple or hate it, you can't deny the company ...