BLU Life One M L131L Unlocked GSM Dual-SIM Android Cell Phone - Dark Blue GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2, 3G Network: HSDPA 850 / 1900 / 2100 - L131L 5" IPS LCD Capacitive Multi-Touchscreen Android v4.2 (Jelly Bean) 12 Megapixel Camera (4000 x 3000 pixels) ) w/ Autofocus, LED flash + Front-Facing 2 Megapixel Camera + Video 1080p@30fps Quad-Core 1.5 GHz Cortex-A7 Processor, Chipset: Mediatek MT6589T, PowerVR SGX544MP2 Graphics 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.