What Does 'SIM Card' Actually Mean?

SIM cards have become a universal aspect of modern smartphone usage, but the technology and meaning behind the name dates ...
Android Authority

eSIM vs physical SIM: What are the pros and cons of each?

If you’ve ever upgraded your phone, you likely know what a SIM card is and what it’s for. In short, a SIM card is a small chip that lets you connect to your carrier’s network. While physical SIM cards ...
Complex

T-Mobile Now Offering Micro Sim Cards For iPhone 4 Jailbreakers

In another step toward the mainstream for jailbreaking, T-Mobile has just announced that it will offer free micro sim cards to network subscribers using unlocked iPhone 4s. The latest iPhone cannot ...
The New York Times

Attention, Travelers: Now Is the Best Time to Switch to eSIM

The digital version of the SIM card, included on many newer phones, is set to become prevalent. It also offers affordable cellular data abroad. By Brian X. Chen Brian X. Chen is The Times’s lead ...
moneysavingexpert.com

How to activate your Sim card

If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...