Samsung Galaxy S5 G900A 16GB Unlocked GSM 4G LTE Quad-Core Smartphone, White and Gold w/ 16MP Camera (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new, with limited to no wear. The refurbishing process includes functionality testing, inspection, and repackaging. headphone and SIM card sold separately 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. 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 850 / 1900 / 2100, 4G: LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600 16 Megapixel Camera (5312 x 2988 pixels) phase detection w/ Autofocus, LED Flash + Front-Facing 2 Megapixel Camera dual video call