LG Optimus G Pro E980 32GB Unlocked GSM 4G LTE Android Smartphone with 13MP Camera, Android 4.1 and Quad-Core Processor (Black) 4G LTE 700 MHz Class 17 / 1700 / 2100, Dolby Mobile Sound Enhancement 5.5" True Full HD IPS Plus LCD Multi-Touchscreen w/ Corning Gorilla Glass 2 and LG Optimus UI v3.0 13 Megapixel Camera w/ Autofocus, LED flash, Geo-tagging, face detection, image stabilization, panorama, HDR + Front-Facing 2.1 Megapixel Camera; Dual-Video rec and HDR Android v4.1 (Jelly Bean) OS, Prcoessor: Quad-core 1.7 GHz Krait 300, Chipset: Qualcomm APQ8064T Snapdragon 600 32GB Internal Memory Storage, 2GB RAM + a microSD slot for expandable memory up to 64GB 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.