A SIM card, or subscriber identity module, is a small card in your cellphone that connects you to the network. Your SIM card contains your phone number, and lets you make phone calls, send text ...

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 ...

The sim card that exists inside your phone is what connects your phone to your specific cellular network. For most of us we might not even realize it’s there. When we get a new phone from our carrier, ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Zoe Thomas: The last time you switched cell phone carriers, you might remember ...

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 ...

Nida is a tech and telecom journalist with more than five years of writing experience. She graduated from the University of Toronto with a BA in journalism. You have more than one option for ...