VIVO. A VERY NEW ARRIVAL BRAND IN INDIAN MARKET.HAS JUST BOOM THE PHONE MARKET, 2GB RAM, OCTA-CORE PROCESSOR WITH 13 MEGA PIXELS BACK AS WELL AS 8 MEGA PIXELS FRONT CAMERA, 16 GB OF INTERNAL MEMORY, I WOULD HIGHLY RECOMMEND THIS. THIS. AND THIS PHONE ONLY. INFACT I MY SELF USING THE SAME PHONE. YOU CAN PLAY ANY GAME, PLAY ANY MOVIE, CHAT, VIDEO CALLING.VIVO ONE SIDE. OTHERS BRAND OTHERS SIDE. NO COMPARISON EIGHTER IN LOOKS OR IN FEATURES.