Samsung Galaxy S II i777 at&t Unlocked, Refurbished Like New 100% Functional, Complete In Box. Samsung Galaxy S details and information - Amazon Sales Rank: #33058 in Cell Phone Accessories - Color: Black - Brand: GSM - Model: Galaxy SII GSM:850/900/1800/1900 3G: 850/1900/2100Android OS, v2.3.4 (Gingerbread) 4.3" Touch Screen Display8MP Primary Camera & 2MP Front Camera, 16GB Internal MemoryUnlocked.