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.

Want to squeeze your current SIM card into your brand new iPhone 5? Check out our DIY guide to find out how. Katie Collins Principal Writer Katie is a UK-based news reporter and features writer.

So you are looking for the best smartphones with Nano SIM card slots? Well, let’s get into it then. Those of you who are not familiar with SIM cards, I bet you use CDMA phones. SIM (subscriber ...

One of the originators of the SIM standard has designed a new “nano-SIM” that’s considerably smaller than the micro-SIM it hopes to replace. One of the originators of the SIM standard has designed a ...

We may earn a commission when you click links to retailers and purchase goods. More info. According to the image above which shows a device said to be the Moto X lying next to a SIM card tray and ...

Less than one month after Apple's iPhone 5 went on sale through official U.S. partner carriers AT&T, Verizon and Sprint, the nation's fourth-largest wireless company T-Mobile has reportedly taken ...

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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 ...

The iPhone maker is reportedly trying to get its nano-SIM technology to become the new standard in the mobile space, much to the chagrin of Motorola Mobility, RIM, and Nokia. CNET contributor Don ...

Embedded SIMs, aka eSIMs, simplify setup and security on modern smartphones, yet device compatibility and transfers can make ...