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 ...

If you need to find out your iPhone's carrier without a SIM card installed, you can do so through the Settings app.

You'll need your iPhone's IMEI number if you want to unlock it and use it on a different cellular provider.

You're probably already familiar with the SIM card, a tiny chip in your phone that connects it to your cell phone carrier of choice. For years, this chip was on a physical card that you could swap in ...

If you're having trouble getting iMessage to work after upgrading to iOS 26, Apple is aware of the issue and has shared a fix on its support site.

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

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead. I started my career with CNET all the way back in 2005, when the (original) ...