Activating a Vodafone Idea (Vi) SIM card is essential to start using voice, data, and messaging services. Whether you've purchased a new SIM, switched to an eSIM, or want to reactivate an old number, ...

As mobile technology continues to evolve, eSIMs are becoming a popular alternative to traditional SIM cards. Unlike a physical SIM card that you insert into your phone, an eSIM is built right into ...

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 ...

eSIM is a modern version of the traditional SIM card that comes built into a smartphone. Unlike a physical SIM, users do not need to insert or remove the card. Instead, your mobile operator can ...

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 ...

The physical SIM cards we've used for decades are slowly being phased out. With the Pixel 10 series, Google's phones have gone eSIM-only for the first time—at least if you buy them in the US. Apple ...