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.

What you see in the image above is the evolution of mobile phone SIM card design over the past four years. The largest in the image, known as the mini-SIM, was used for quite a while as the standard ...

SIM card format developer Giesecke & Devrient is proposing new specifications for a new SIM format called the nano-SIM, which will be 30 percent smaller than today’s micro-SIM and 60 percent smaller ...

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 ...

If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...

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 ...

As noted by The Verge, the European Telecommunications Institute (ETSI) today announced it has adopted a standardized design for the next-generation "nano-SIM". The new design is 40% smaller than the ...

So let’s say you’re really excited to get a new iPhone 5, but unlike the average buyer, you’re getting an unlocked one straight from Apple, and you’re champing at the bit to bring it to your carrier.

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 ...