Dell Streak 7 Wi-Fi official Pictures. Dell Streak 7 Wi-Fi is a Smartphone of dell. The Dell Streak 7 Wi-Fi Android Tablet. Announced Feb 2011. Features 7.0″ Display, Nvidia Tegra 2 T20 Chipset, 5 MP Primary Camera, 1.3 MP Front Camera, 2780 MAh Battery, 16 GB Storage, Corning Gorilla Glass. Dell Streak 7 Wi-Fi price starts.