Will work with Most GSM SIM cards in U.S. and world Including AT&T, T-Mobile, MetroPCS. Only 3G on Metro Tmobile Mint / B1(2100), B2(1900), B3(1800), B5(850), B7(2600), B8(900), B20(800), B28(700) 4G TDD LTE B34(2010), B38(2600), B39(1900), B40(2300), B41(2500) 3G 850/900/1900/2100 2G Quad Band 32 GB (24.5GB user) 3GB RAM Octa Core 1.8 GHZ Resolution (Main Display) 720 x 1560 (HD+) 6.5" Triple Rear Camera 13.0 MP + 8.0 MP + 5.0 MP / 8MP Front Camera Accelerometer, Fingerprint Sensor, Light Sensor, Proximity Sensor 4000 mAh Non Removable Ready to Impress An all-new premium 3D prism design with a glossy pattern is something you would definitely want to flaunt. Ready for Immersive Viewing Take your movie-viewing and gaming experience to the next level. Ready for Ease All it takes to unlock your phone is when you hold it up to your face or a simple touch. Super Simple, Super Secure. Ready to Last A powerful all-day battery that lasts longer and charges faster.