T-Mobile G2x official Pictures. T-Mobile G2x is a Smartphone of t_mobile. The T-Mobile G2x Android Smartphone. Announced Mar 2011. Features 4.0″ Display, Nvidia Tegra 2 AP20H Chipset, 8 MP Primary Camera, 1.3 MP Front Camera, 1500 MAh Battery, 8 GB Storage, 512 MB RAM. T-Mobile G2x price starts.