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Apple has begun selling unlocked iPhone 5s smartphones that have no SIM card.

The device may appeal to users who frequently travel abroad or simply don’t like being tied to carrier contracts.

The Cupertino, Calif., tech giant updated its online store to add the unlocked, no SIM card option this week. Apple is selling 16 GB, 32 GB and 64 GB versions for $649, $749 and $849, respectively.

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Apple chief executive Tim Cook praises the new iPhone 5S in this September 10, 2013 file photo in Cupertino, Calif.
Glenn Chapman/AFP/Getty Images

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