Vivo y66 smartphone was launched in 2016, I am a big fan of vivo y66 smartphote. Its touch screen is very smooth with 5.5 inch lcd capacitive touchscreen with the resolution 720x1280 pixels. This phone powered by a 1.4 Ghz octa core qualcomm snapdragon 430 processor & 3 gb ram this processor I am very impressed to play this mobile vivo y66 the very interesting thing in this mobile that is camera of this phone 13 mega pixels & front is 5 mega pixels. This smartphone is the best smarphone of 2017. I like it most. This smartphone runs on Os android 6.0.1 marshmallow very interesting.this smartphone is best.