An unlocked phone is the key to getting service from an alternative carrier. Here's how to check if a phone is unlocked.

This is a big one for travelers in 2026. Physical SIM cards are the ones you’re probably used to – tiny plastic chips you pop ...

We break down 11 key points to consider before buying a used Android phone so you can feel as confident as possible in your ...

Physical SIM cards have long been synonymous with phone numbers. They've changed greatly from what they once used to be — giant cards you'd have to put in after removing your phone's battery – but ...

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Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. This is not as easy as it sounds — and it’s not common advice. But ...

Google's latest major Android release landed in an unusual season, but the chill around its arrival feels eerily familiar. 2025’s been a weird year when it comes to Android upgrades. For ages now, ...

ICCID is a unique identifier for the SIM card Knowing the SIM number will help you better manage it Users can also dial *#06# in the phone app to locate the SIM number ...

As smartphones have become more pervasive in our lives, we've all kind of been forced to pick up basic knowledge and terminology over the years. Where previously certain jargon would exclusively be ...

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) ...