LG Thrill 4G P925 Unlocked GSM Android Cell Phone - Black - AT&T- No Warranty 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 850 / 1900 / 2100, 4G: HSPA+ HSDPA 850 / 1900 / 2100 4.3" 3D LCD Capacitive Multi-Touchsscreen with LG 3D UI and Protective Corning Gorilla Glass Android v2.2 Froyo (upgradable to v2.3 Gingerbread), Dual-core 1 GHz Cortex-A9 Processor, Chipset: TI OMAP 4430, PowerVR SGX540 Graphics Dual 5 Megapixel Camera (2560 x 1920 pixels) w/ Autofocus, LED Flash, Stereoscopic Photos & Videos + Front-facing Camera Internal Memory: 8GB, 512 MB RAM + microSD Slot Expandable up to 32GB Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.