Storage: 64GB. Model: Galaxy S8. 🔓 This device is Unlocked to work with any carrier 🔓. Color: Midnight Black. Manufacturer: Samsung. Battery Health: Minimum 80% Battery Health. Since 2009, YYWireless has been a trusted supplier of a wide range of cell phones, tablets, computers, and accessories in various conditions—new, certified pre-owned, refurbished, and used.