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.

Apple explains: Carrier-connected iPhone 14 and iPhone 14 Pro models will arrive ready to activate with eSIM and can connect to your cellular voice and data service without a physical SIM card.

Blackview Unveils Tab 13 Android Tablet With SIMO Technology — No Need For Wi-Fi or Sim Card For Internet Connection It transforms into a mini-computer.