All modern iPhones and iPads now use nano-SIM cards. Unfortunately, this can be a bit of a problem for anyone switching from an older device, because the nano-SIM is much smaller than the micro-SIMs ...

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.

While most people seem to manage just fine with a single SIM card in their smartphone, some -- especially travelers, who can save money by fitting a local SIM card into their handset -- love the ...

T-Mobile is the only major US carrier not selling the iPhone, but even before the launch of the iPhone 5 it had more than 1 million Apple phones running on its network. With the iPhone 5 using the new ...

NM Cards are the exact size and shape of a Nano SIM card and go in one of the dual-SIM slots NM Cards are the exact size and shape of a Nano SIM card and go in one of the dual-SIM slots ...

Huawei today showed off a new memory card format to accompany its flagship Mate 20 Pro smartphone. The Mate 20 Pro supports two SIM cards, but not a traditional microSD memory card. In order to give ...