On December 10, 2014, vivo released the world's thinnest mobile phone, X5 Max, with a thickness of only 4.75mm, a 5.5 inch 1080p AMOLED screen, a Snapdragon 64 bit eight core processor, 13 million pixels IMX 214 photo sensor+6P lens, and a Hi fi audio quality karaoke real-time ear return function. X5 Max pre used