Samsung Galaxy S5 SM-G900V 16GB - Unlocked GSM Smartphone - Electric Blue (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. This cell phones are fully compatible with Verizon. For GSM carriers Like AT&T and T-Mobile as well as with GSM SIM need cards (e.g. H20, Straight Talk, and select prepaid carriers) need to contact the service provider to check fully compatibility of the phone. This Unlocked cell phones will not work with other CDMA Carriers like Sprint or Boost. 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 850 / 1900 / 2100, 4G: LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600 Internal Memory: 16GB storage, 2GB RAM + microSD Slot Expandable up to 128GB. 5.1" Super AMOLED Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 3 Android v4.4.2 (KitKat), Quad-Core 2.5 GHz Krait 400 Processor, Chipset: Qualcomm MSM8974AC Snapdragon 81, Adreno 330 Graphics