SIMs offer faster activation, better security, and easy travel SIMs, but drawbacks include harder transfers, carrier limits, ...

I'm that 5G guy. I've actually been here for every "G." I've reviewed well over a thousand products during 18 years working full-time at PCMag.com, including every generation of the iPhone and the ...

SIM cards have been an integral yet forgettable aspect of owning a smartphone over the past few decades. For most users, the SIM card defines the basic commercial relationship they have with their ...

A SIM card, or subscriber identity module, is a small card in your cellphone that connects you to the network. Your SIM card contains your phone number, and lets you make phone calls, send text ...

Just book your dream vacation overseas? The next step is to avoid costly roaming fees by getting an affordable international sim card for traveling. When traveling overseas, it’s critical to have a ...

Have you ever wondered exactly how a SIM card works? We’ll help you understand why your phone needs one and what they do to keep you connected. Image: TalkAndroid Editorial Note: Talk Android may ...

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. I started my career with CNET all the way back in ...

Today’s Android phones are significantly more advanced than they were just a few years ago, but one thing hasn’t changed: the need for a SIM card. Every phone needs a physical or eSIM card to make ...

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 ...

You’ve just bought yourself an iPhone – welcome to the club! However, while you thought you’d just be able to pop your existing SIM card into your iPhone, you might be wrong. That’s dependant on not ...