When you use an iPhone for the first time - whether it's a new iPhone fresh out of the box or a used phone that you've gotten from another user - you need to activate it to set up cellular service.

Tap Mobile Data or Cellular, depending on your region. Choose Wi-Fi Calling and toggle it on to activate. With Wi-Fi Calling enabled, your iPhone will automatically switch to making and receiving ...

Short for embedded SIM, eSIM involves activating a mobile network on a SIM card already present in the iPhone for phone calls, text messages, and internet connections.

Apple first introduced satellite connectivity features to the iPhone with the release of the iPhone 14 in 2022. The ...

Apple introduces Starlink satellite network with iOS 18.3 update. Know what it is and how iPhone users will be able to send text messages.