Samsung Galaxy Note 3 N900A 32GB Unlocked GSM 4G LTE Unlocked Smartphone w/ S Pen Stylus - Black GSM 850 / 900 / 1800 / 1900, 3G Network: HSDPA 850 / 900 / 1900 / 2100 5.7" Super AMOLED Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 3 Android v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat), Quad-Core 1.9 GHz Cortex-A15 &amp; Quad-Core 1.3 GHz Cortex-A7 Processor, Chipset: Exynos 5 Octa 542, Mali-T628 MP6 Graphics 13 Megapixel Camera (4128 x 3096 pixels) w/ Autofocus &amp; LED Flash + Front-Facing 2 Megapixel Camera Internal Memory: 16GB storage, 3GB RAM + microSD Slot Expandable up to 64GB Unlocked cell phones are compatible with GSM carriers like AT&amp;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.