Phone suddenly showing "No SIM" or "Invalid SIM"? Don't panic, there are a few quick checks that can get you reconnected fast.

The iPhone Air introduces a global shift to eSIM-only connectivity, ditching the physical SIM card tray. This sleek device, ...

Apple is escalating its war on physical SIM cards with iPhone 17 and iPhone Air — but I don't want to give up the physical ...

A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two SIMs ...

As the iPhone Air goes eSIM-only, and some of the best Android phones also drop the SIM card tray, here's a look at the eSM, ...

The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

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 ...

Another hint has surfaced that Apple is preparing to eliminate the physical SIM card tray from iPhones in more countries this ...

If you've ever called your carrier's customer service to activate a prepaid SIM card or troubleshoot a malfunctioning Android SIM card or iPhone SIM, then you've likely needed your ICCID number. The ...

A new teardown confirms Apple killed the SIM tray in the iPhone 17 lineup, using the space to pack in bigger batteries.

The Apple iPhone 17 series is eSIM-only in over a dozen countries. The iPhone Air is eSIM-only all over the globe.