Samsung Galaxy S5 G900M 16GB Unlocked GSM Cell Phone w/ USA 4G LTE - White 3G: HSDPA 850 / 900 / 1700 / 1900 / 2100, 4G: LTE 700 / 850 / 1700 / 1900 / 2100 / 2600 (Bands 1, 2, 4, 5, 7, 17) 5.1-inch Super AMOLED Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 3 (IP67 certified; dust & water resistant) Android v4.4.2 KitKat (upgradable), Quad-Core 2.5 GHz Krait 400 Processor, Chipset: Qualcomm MSM8974AC Snapdragon 81, Adreno 330 Graphics 16 Megapixel Camera (5312 x 2988 pixels) + Front-Facing 2 Megapixel Camera Internal Memory: 16GB storage, 2GB RAM + microSD Slot Expandable up to 128GB 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.