Sony Mobile China has formally announced the coming of Sony Xperia Z4 (E6533) after being certified by TENAA. As per the teaser rolled out by Weibo, Xperia Z4 will be released on May 26. As per the report release yesterday by us, it may be available in Taiwan and Hongkong. It is now expected that it may also come to Indian market at the same time. However there is no news whether it will be available in Europe and the US. Keep hooked to MobiPicker for more updates on Xperia Z4.