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 ...

We previously reported that a tiny handful of iPhones shipped without SIM cards, while significantly more units have generated the error message “No SIM card ...

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 ...

You generally can't use an Apple iPhone on a cell network if it's never been activated with such a network, although once it is activated you can remove your SIM card or simply never connect to the ...

Have you ever found yourself locked out of your SIM card because you forgot the PUK code? Don’t worry—you’re not alone. Many iPhone and Android users run into this issue and often think their SIM card ...

The small plastic SIM card that has been a part of mobile phones for decades is gradually becoming less important. New ...