ALCATEL OneTouch Pixi 3 Global Unlocked 4G LTE Smartphone, 4.5 Display, 8GB (GSM - US Warranty) 4.5" touchscreen display 1.0GHz Quad-Core processor 5 MP camera Android Lollipop 5.0 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 Model 5017O-2AALUS1; compatible with Micro SIM Cards