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.

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.

Although cell phones have changed significantly in the last few decades, they still need a SIM. Some phones have moved to eSIMs, but many still use physical SIM cards. If you have a working phone, ...

It took a long time -- more than 20 years, to be exact -- but the humble SIM card that sits within your phone, and seven billion others, has finally been hacked. Of the seven billion modern SIM cards ...

Ben Khalesi covers the intersection of artificial intelligence and everyday tech at Android Police. With a background in AI and data science, he enjoys making technical topics approachable for those ...

Transferring your phone number can be a mess, especially if you're going from iPhone to Android. Here's how my experience has been with the carrier.

In recent months we have seen nation-state sponsored cyberattacks on multiple mobile networks and operators for the prized customer data and communications metadata held within those organizations. In ...

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 ...