Lenovo Tab 2 A7-20 official Pictures. Lenovo Tab 2 A7-20 is a Smartphone of lenovo. The Lenovo Tab 2 A7-20 Android Tablet. Announced Jan 2015. Features 7.0″ Display, MT8127 Chipset, 2MP Primary Camera, 3450 MAh Battery, 16 GB Storage, 1000 MB RAM. Lenovo Tab 2 A7-20 price starts.