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, ...

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 ...

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 ...

Apple is anticipated to reveal the iPhone 17 lineup today, potentially marking a significant shift towards eSIM-only ...

Switching phones or plans once meant juggling tiny SIM cards. Now, with eSIMs, connectivity is simpler yet more complex. In ...

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