With the introduction of eSIM, Apple bid farewell to the traditional physical SIM card. Now, your phone number is transferred through a digital, non-physical SIM card embedded within your device. The ...

Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone number that identifies your device on the carrier's network, whether it's ...

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 ...

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, ...

Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is a seasoned multimedia journalist with more than a decade's worth of experience producing stories for ...