LG Optimus L3 II E425 Unlocked GSM Android Smartphone - Black 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 900 / 2100 3.2" IPS LCD Multi-Touchscreen Android v4.1.2 (Jelly Bean), 1 GHz Processor, Chipset: Qualcomm MSM7225A Snapdragon, Adreno 200 Graphics 3.15 Megapixel Camera (2048 x 1536 pixels) + Video Internal Memory: 4GB (1.6GB user available), 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.