T-Mobile G1 official Pictures. T-Mobile G1 is a Smartphone of t_mobile. The T-Mobile G1 Android Smartphone. Announced Sep 2008. Features 3.2″ Display, MSM7201A Chipset, 3.15 MP Primary Camera, 1150 MAh Battery, 192 MB RAM, Corning Gorilla Glass. T-Mobile G1 price starts.