Mobile Sony Xperia Z4 Goes Official in Japan – Snapdragon 810, Metal/Glass Design and More by Huei Song April 20, 2015
Mobile Rumour: Details of the Sony Xperia Z4, Z4 Compact, Z4 Ultra and Z4 Tablet by Huei Song November 13, 2014
Mobile Leak: Sony Xperia Z4 Specs Featuring Snapdragon 810, 4GB of RAM and More by Huei Song October 20, 2014