I am tell about my experience on vivo v5 . This is a very good phone . They have 4Gb ram and 32Gb internal memory . The expandable memory upto 128Gb. They have fast processor octacore and meditek. The android operating system is marshmellow 6.0 . The front camera is 20 megapixel with moonlight . The rear camera is 13 megapixel with Led flash and autofocus . They have hybrid sim slot. The phone support 2G , 3G, 4G. They have two colour crown gold and Space grey. They are light in weight and they are very stylish and good looking . The sound quality is very good . This is best phone.