The BlackBerry Messenger made the BlackBerry 8520 the preferred device for students in the past. Today’s 8520 equivalent is the BB 9220. It has got a 2.4-inch display with QWERTY keypad. Running BlackBerry OS 7.1, it has got a 3.2 MP camera, FM Radio and a 1450 mAh battery. The only downside is that it feels plasticky and doesn’t support 3G.