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.

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, ...

The iPhone Air will only have an eSim - will other phone makers also shift away from the familiar - but fiddly - plastic ...

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 ...

To remove the SIM card from your iPhone, you'll need to eject the SIM card tray with a special tool or paperclip.

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

Govt allows up to 9 SIM cards per person. Only SIM cards 6 in J&K, Assam, Northeast. Violations can lead to fines up to Rs 2 ...

TOKYO, April 3 (Reuters) - Japan's government will call on mobile phone operators this year to remove restrictions on handsets that currently block use of different SIM cards, media reported on ...

The US Secret Service announced this morning that it has located and seized a cache of telecom devices large enough to "shut down the cellular network in New York City." And it believes a nation-state ...