4FF stands for 4th Form Factor. A SIM card that is simply physically smaller than a traditional (2FF) SIM card or Micro-SIM (3FF) card. See: SIM The electric contacts and circuitry of a Nano-SIM are ...

You’ve just bought yourself an iPhone – welcome to the club! However, while you thought you’d just be able to pop your existing SIM card into your iPhone, you might be wrong. That’s dependant on not ...

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Translated by Google, tech lifestyle Web site nowhereelse.fr (via 9to5Mac) has posted photos of what appears to be the soon to be released iPhone's nano-SIM card tray. The photos come from China where ...

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 ...

SIM maker Giesecke & Devrient notes at CTIA that Apple’s proposed nano-SIM design has been revised to prevent jamming in larger slots. SIM maker Giesecke & Devrient notes at CTIA that Apple’s proposed ...