The iPhone Air has been struggling to find an audience since its release, but a Chinese modder managed to fix the biggest ...

A Chinese user managed to install a SIM card tray on an iPhone Air by embracing a hardware trade-off. Here are the details.

Technicians in Shenzhen’s Huaqiangbei electronics market district have modified Apple’s iPhone Air to support a physical SIM ...

Apple could be developing a built-in SIM card for the iPhone that would allow European users to switch networks without having to swap SIMs. According to GigaOM's sources inside European carriers, ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

The Subscriber Identity Module, or SIM, used with GSM iPhones does not affect network reception; however, if you're unable to connect to the network to send or ...