Are you trying to switch phones or carriers? You might need to swap SIM cards for that, and we can understand how confusing this process can be if you haven’t done it before. Today we’ll show you ...

To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...

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 ...

While the eSIM has been a part of commercially available tech for six years now, adoption still isn’t exactly what you’d call universal. The advantages of killing off the physical SIM card altogether ...

In India, many users face SIM card problems after moving to a new phone. If key settings are not activated, your SIM may stop ...

The "No SIM Card Detected" error can be a frustrating issue for smartphone users, disrupting essential functions like making calls, sending texts, and accessing the ...

If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...

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 ...

You can imagine the headache it would cause if someone else gained access to your phone number. Communication aside, our mobile devices are often used to verify our identities when logging in to ...

Here you will learn how to make handmade antennas to watch over-the-air digital TV channels. Imagine that you have a TV set, but no antenna to receive digital TV in your area. Or your digital ...

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) ...