The Blackberry 8520 Dark Silver on Orange Pay Monthly is a wonderful blackberry model with some good features including a 2 MP camera, dedicated music keys, touch-sensitive optical track-pad and microSD card support. The Blackberry 8520 Dark Silver specs feature the full QWERTY keypad that provides a comfortable typing experience. For all its powerful features, the Blackberry 8520 Dark Silver price is really inexpensive.