A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

If you can't make a call or if you see an error message that your phone's SIM card is not working, there are several ways to ...

CCTV cameras have become essential for both office and home security these days. But did you know that SIM cards are also being used with CCTV cameras? CCTV cameras are now available in the market ...

As a traveler, it isn’t environmentally friendly to obtain a new plastic SIM card in each country you visit and then dispose ...

Engine oil is to your bike what blood is to the body — essential. But how can you check if your bike's engine oil is working ...

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 ...

Many smartphone users upgrade their devices to a newer device (in India), and they tend to face SIM card issues at times after switching to a new device. This is because, if you do not activate a few ...

With SIM card fraud on the rise, it’s possible someone might be using your identity—especially your Aadhaar number—to register a mobile connection without your knowledge. To tackle this, the ...

Transferring an Airtel SIM card to someone else’s name isn’t something most of us do often—but when the need comes up, it’s important to get it done the right way. Whether you’re handing over a number ...

There’s no doubt our neighbouring country Malaysia is a convenient holiday destination for Singaporeans. You’ve got cheap pampering, shopping, and yummy food right across the border, and we don’t ...

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 ...

An unlocked phone is a device that has no carrier locks or restrictions. It's usually sold at full price. You can use it with any carrier of your choice, whether you're using a physical SIM card or ...