The SIM cards that fit into those tiny slots in your cell phone and tell your cellular network to whom your calls are to be charged come in four different sizes. With the only real difference between ...

We’ve shown you how to turn a regular SIM into a Micro SIM, but what if you want to do things the other way around? Here’s how to turn a Micro SIM into a regular ...

You’ve just bought yourself an iPhone – welcome to the club! However, while you thought you’d just be able to pop your existing SIM card into your iPhone, you might be wrong. That’s dependant on not ...

As the iPhone Air goes eSIM-only, and some of the best Android phones also drop the SIM card tray, here's a look at the eSM, ...

Apple shifted to the Nano-SIM standard with the iPhone 5, and the two newer ones – the iPhone 5s and the iPhone 5c, are following the same standard. Android phones till now, had remained on the ...

Find out how to trim your own micro-SIM card for use in phones that require this new format. Sharon Profis Former Vice President of Content, CNET Studios As vice president of CNET Studios, Sharon led ...

Conflict is brewing in the mobile world over the adoption of a new, smaller standard for the SIM card — the chip in each GSM phone that dictates which network you connect to and your cellphone number.

The Verge has obtained detailed information on the so-called “nano-SIM” proposals from Apple, Nokia, and RIM. The Verge has obtained detailed information on the so-called “nano-SIM” proposals from ...

We may earn a commission for purchases using our links. Learn more. Using a standard SIM card in your GSM (and some CDMA) BlackBerry is pretty easy to grasp at this point. Most come pre-installed if ...

BlackBerry did a good job of keeping things neat and tidy under the battery door of the BlackBerry Z10. The Micro SD card is easy to insert and remove from its slot, as is the battery. When it comes ...

Kent was a senior managing editor at CNET News. A veteran of CNET since 2003, he reviewed the first iPhone and worked in both the London and San Francisco offices. When not working, he's planning his ...

If you use a Wi-Fi + Cellular version of the iPad, your tablet may come with a SIM card slot tucked into the side. In the United States, the only major carriers that use SIM cards are GSM-type ...