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 ...

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 ...

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 ...

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 ...

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. Nida's passions include writing, testing ...

The new Samsung Galaxy Note 5 requires a nano SIM card for you to place calls, access the Internet, download applications, and share photos over your network service ...

You may have had AT&T SIM (Subscriber Identity Module) card problems on your iPhone before or received the notification "Airtel SIM not provisioned." This happens sometimes, and the reason is fairly ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

O2 is one of the leading telecom brands in the U.K., providing mobile SIM card and broadband services. As a customer, it allows you to customize your monthly plan according to your needs. If you have ...