If you've ever upgraded to a new phone or switched carriers, chances are you're already familiar with the concept of a SIM (subscriber identity module) card. It's a tiny chip in your phone that ...

Removing one tiny piece of plastic quietly removed a few useful tricks too.

For many years, mobile phones received cellular service through a physical SIM (subscriber identity module) card that connected your handset to your phone carrier. These physical SIM cards made it ...

Most people who have traveled outside the country know the routine. You land somewhere overseas, spend twenty minutes looking for a booth that sells local SIM cards, try to communicate ...

Higher prices are looming for just about everything, but they're not stopping people from planning more summer travel than ever. Deloitte's 2025 summer travel survey found that despite the gloomy ...

Smartphones released recently now have a small chip (eSIM) soldered onto their motherboards. This chip works like a physical SIM card and can store a subscriber’s identity information, allowing you ...

From service in the US to regional or global travel, the best eSIMs we've tested will help you stay connected wherever you go. I’m one of PCMag’s mobile writers. That means I check out phones, ...

We all know the story of the friend who landed in a foreign country, turned on their phone and racked up a massive data bill ...