A SIM card, or subscriber identity module card, is essential component of any phone. It connects your device to a cellular network and stores vital information, including your phone number. Many ...

You're probably already familiar with the SIM card, a tiny chip in your phone that connects it to your cell phone carrier of choice. For years, this chip was on a physical card that you could swap in ...

Are you thinking of making the switch from a physical SIM to an eSIM? The good news is that you may be able to simply convert your SIM card to an eSIM from your device. We’ll walk you through the ...

Changing carriers can be exciting. You might get to pick up a new phone, or maybe you want better coverage in your home area. Either way, you have to know how to get set up. Each carrier tackles SIM ...

eSIM vs. SIM An eSIM offers certain pros and cons compared with a physical SIM. Rather than having to deal with a SIM card to activate your primary carrier, you can do it yourself from the phone's ...

This story first appeared in Advisorator, Jared’s weekly tech advice newsletter. Sign up for Jared’s Sign up to get free tech tips every Tuesday. What happens to your contacts if you lose your phone ...

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) ...