HTC One X AT&T official Pictures. HTC One X AT&T is a Smartphone of htc. The HTC One X AT&T Android Smartphone. Announced Feb 2012. Features 4.7″ Display, Snapdragon S4 Plus Chipset, 8 MP Primary Camera, 1.3 MP Front Camera, 1800 MAh Battery, 16 GB Storage, 1000 MB RAM, Corning Gorilla Glass. HTC One X AT&T price starts.