Will a sidekick phone work in Malaysia if I bought it in America

Will a sidekick phone work in Malaysia if I bought it in America?

Cell Phones & Plans - 1 Answers
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If the phone is unlocked, it will work fine in Malaysia. But you won't get internet on the phone as it only works with T-Mobile. If you need unlocked Sidekick cheaper, you can mail me to manchurianp@yahoo.com