European phone carriers are starting to stockpile nano-SIM cards ahead of the iPhone 5 launch, and BGR reports that the next iPhone will shed its current micro-SIM for these even smaller SIM cards.
A SIM (subscriber identity module) is your phone’s unique identifier that helps carriers find you on a GSM network. Carriers like AT&T and T-Mobile use SIM cards.
The report comes from multiple carriers saying that Apple is providing them with special adapters to see how the nano-SIMs will work on their networks.
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