Toshiba Excite 7.7 AT275 official Pictures. Toshiba Excite 7.7 AT275 is a Smartphone of toshiba. The Toshiba Excite 7.7 AT275 Android Tablet. Announced Apr 2012. Features 7.7″ Display, Nvidia Tegra 3 Chipset, 5 MP Primary Camera, 2 MP Front Camera, 64 GB Storage, 1000 MB RAM, Corning Gorilla Glass. Toshiba Excite 7.7 AT275 price starts.