Can iPhone 4s Unlocked be used in Korea?

I bought an iPhone 4s straight from apples in toronto Canada no contracts or anything so its carrier free, can I use it Seoul South Korea?

Yes should work fine.

The unlocked iPhone 4S can be used in any country with GSM carriers. Unfortunately I'm pretty sure South Korea uses CDMA instead of GSM. However there are some roaming sims that might pick up their network. You should probably try to contact carriers in Korea for more info on how to make your iPhone compatible with the right sim.

Yes you can use any carrier.

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