Acer Iconia Tab 10 A3-A40 official Pictures. Acer Iconia Tab 10 A3-A40 is a Smartphone of acer. The Acer Iconia Tab 10 A3-A40 Android Tablet. Announced Apr 2016. Features 10.1″ Display MT8163A Chipset 5 MP Primary Camera 2 MP Front Camera 6100 MAh Battery 64 GB Storage 2 GB RAM. Acer Iconia Tab 10 A3-A40 price starts.