Acer Iconia Tab B1-A71 official Pictures. Acer Iconia Tab B1-A71 is a Smartphone of acer. The Acer Iconia Tab B1-A71 Android Tablet. Announced Jan 2013. Features 7.0″ Display, MT8317 Chipset, 2710 MAh Battery, 16 GB Storage, 512 MB RAM. Acer Iconia Tab B1-A71 price starts.