Seeing “No SIM” or “Invalid SIM” on iPhone? Check your SIM card, restart, or update your carrier settings. Simple fixes often ...

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 iPhone Air will only have an eSIM - will other phone makers also shift away from the familiar - but fiddly - plastic ...

Apple continues to phase out the physical SIM card tray on iPhones, with the latest models relying solely on eSIM technology ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

Rumors in recent years have said that the iPhone would abandon its physical SIM card in the US. Apple did just that with the iPhone 14 series. Rather than a SIM card, the US versions rely on eSIMs ...

The new iPhone 17 series now only supports eSIMs in more than just the US, but has your country made the switch? Here's the ...

Apple will expand eSIM-only iPhones to more countries with the iPhone 17 series. Selected regions will receive models without ...