Sony Xperia ZL LTE C6506 Unlocked Android Phone - US Warranty - (Red) 5 inch brilliant display powered by the Mobile BRAVIA Engine 2 Standby Time : Up to 460 hours1 Talk Time: Up to 13 hours1 The 13 MP camera is built with the Sonys Exmor RS for Mobile image sensor for better sensitivity under low light. Battery STAMINA mode gives you up to four times more standby time by recognizing when your screen is off and will then turn off functions you dont need, while keeping the notifications you want. CPU/ Processor : 1.5 GHz Quad Core Snapdragon S4 processor 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.