Almost all the GSM phones released in North America have a single SIM card, but there are a lot of areas of the world where having a dual-SIM device is a big advantage. These devices can utilize two networks at the same time for calls, data, and SMS. For when two just isn't enough, LG is going to soon offer phones with three SIM slots.

LG is teaming up with MediTek to create the new triple-SIM devices, which will almost certainly never arrive in the US. We don't even have three legitimate GSM networks to connect to. The devices will essentially be capable of grabbing data from one network, receiving an SMS on a second, and having a voice call on a third all at the same time.
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