Samsung Galaxy S4 SGH-I337 USA GSM Unlocked Cellphone, 16GB, Frost White Super AMOLED capacitive touchscreen, 16M colors. TouchWiz UI CAMERA: 13 MP, 4128 x 3096 pixels, autofocus, LED flash (Primary) 2 MP,1080p@30fps, dual video call(Secondary). Dual Shot, Simultaneous HD video and image recording, geo-tagging, touch focus, face and smile detection, image stabilization, HDR. 1080p@30fps, dual-video OS: Android OS, v4.2.2 (Jelly Bean) CPU: Quad-core 1.6 GHz Cortex-A15 & quad-core 1.2 GHz Cortex-A7 GPU: PowerVR SGX 544MP3 This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.