T-Mobile and Research In Motion (RIM) announced that the BlackBerry 8520 will soon be marketed in the T-Mobile and Wal-Mart stores beginning August 5 in United States. The most important feature of the BlackBerry 8520, that the trackball on the trackpad optic for navigation on the screen.

According to the Rim, the BlackBerry 8520 is also the first BlackBerry with a key media. This smartphone is also equipped with quad-band GSM/EDGE, Wi-Fi, stereo Bluetooth and the radio on board.

While the other features on the BlackBerry 8520 includes a full QWERTY keyboard, 2 megapixel camera with video capture, 3.5 mm jack headset, and support for microSD card up to 16GB. BlackBerry 8520 is sold with the price of 130 USD with warranty and qualified data plan.