The excellent condition Blackberry 8520 Curve is an unlocked phone that you can take anywhere in the world. The Blackberry 8520 Curve is powered by the Blackberry 5.0 OS for optimal performance. The 2-megapixel camera does an excellent job of capturing photos. The phone also comes with a handy HTML browser for users. The music and video player have good playback whenever you wan to unwind while you watch videos and listen to music.