AT&T CEO Ralph de la Vega said in an interview this week that a smaller SIM card is a "no-brainer" and his company is looking into it, but declined to make the direct connection to Apple that the ...

The European Telecommunications Standards Institute has approved the new Sim card format, reducing the size of the card by 40 percent compared to the current micro Sim. At a meeting in Osaka, Japan, ...

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 ...

On April 29, SK Telecom announced that it would implement a "SIM format" method, which changes the SIM card software, to achieve the same effect as physically replacing the SIM card without actually ...