Most people manage perfectly well with a single SIM card, but some people like to have separation between their work and home life (or maybe they run several different businesses), or they travel a ...

Dual-SIM phones allow you to easily manage (and make or receive calls on) two numbers on a single handset. This means you can juggle a work and a personal contact without switching devices, have ...

For people who want to separate their work and home life, or who travel a lot to different countries, being able to swap between SIM cards in your smartphone makes a lot of sense. And while most ...

If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...

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Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is a seasoned multimedia journalist with more than a decade's worth of experience producing stories for ...