Vivo V9 is a very good smartphone. I am using this smartpone his slim and good and best thing is that 24 mp front camera and dual rear camera with all side bokhe mode. network problem occurs me somtime I use. the customer service of this smartphone is very good and his chages and billings are good. audio quality are not so good but I loves this smartphone for other features. display are big and video quality is amazing. so this smartphone Vivo V9 is very good phone.