Nokia Lumia 1020 32GB Unlocked GSM Phone w/ 41MP Camera 4.5" - White - International Version, No Warranty 4.5&quot; AMOLED Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 3 41 MP (38 MP effective, 7152 x 5368 pixels), Carl Zeiss optics, optical image stabilization, auto/manual focus, Xenon &amp; LED Flash+ Front-Facing 1.2 Megapixel Camera, 720p@30fps + Video 1080p@30fps, 4x lossless digital zoom, video light GSM 850 / 900 / 1800 / 1900, 3G Network: HSDPA 850 / 900 / 1900 / 2100, 4G Network: LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) Microsoft Windows Phone 8, upgradeable to WP8 Black, Dual-Core 1.5 GHz Krait Processor, Chipset: Qualcomm MSM896 Snapdragon, Adreno 225 Graphics Internal Memory: 32GB, 2GB RAM 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.