Can Iphone 4S be used in Korea?

[shinhaku]

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From apple website it looks like the phone has no sim card slot. If I buy it from apple online store can it be used in Korea with KT?

 

[miles01110]

You'd have to buy the factory unlocked version when it comes out. If you buy a Verizon or AT&T-locked phone you will not be able to use it in Korea.