Will work with Most GSM SIM cards in U.S. and world Including AT&T, T-Mobile, Etc. Will NOT work with CDMA Carriers Such as Verizon, Sprint, Boost. Sleek Design & Real Metal Cover: A scratch-resistant, real metal cover adds an extra layer of strength to keep the stylish design for longer. Built to United States MIL-SPEC standards, the shock-resistant design can cope with whatever life throws at you. High-Speed Autofocus with PDAF: The 13MP rear camera with PDAF (Phased Detection Auto Focus) is ultra-quick and accurate, so you can capture the moments that matter before they pass you by. 100° Wide Angle Selfie Camera: Make special moments even more memorable-use the 100° wide selfie for broader, more inclusive shots of friends and surroundings. Portrait Mode: Take selfies with you in sharp focus against a blurred background for more beautiful, professional-like portraits with natural depth. DTS : X Surround Sound: DTS technology creates a 3D audio-simulation, delivering a new sense of realism and the freedom of surround sound on the go. Fingerprint Sensor: The fingerprint sensor is intuitively placed on the back for effortless and instantaneous access.