VIVO V3 IS A MARVELOUS MOBILE PHONE LAUNCHED IN 5-6-2016, IS A GOOD FINGER PRINT LOCK, 3GB RAM, 32GB ROM & EXTERNAL MEMORY UPTO 128GB EXPENDABLE, IS A GOOD CAMERA PHONE BACK UPTO 13MP FLASH & FRONT IS 8MP, IS A GOOD WORKING IN 2G, 3G & 4G SPEED IT IS ALSO CONVERTED INTO 3G TO 4G, IT IS NO HANGING PROBLEM & IS A 8 CRORE-QUARD PROCESSOR, FINGER CRAPTURE PHOTO SHOOT, VIDEO RECORDING & & & MOBILE PHONE BACK COVER IS NOT OPEN, 2SIM, 1MEMORY CARD, BATTERY BACKUP 3000MI AMP, FASTER CHARGING PROCESS, 13INCH DISPLAY. SO THIS IS A GOOD MOBILE PHONE