This MWC Sony did not release its Xperia Z4 as they think it is not the right time for show. However, it is working on it quite earnestly as the recent leaks show the metal frame surrounding the inside. The images reveal same Sony Omni Balance design for Z4 as that of Z3. But the Z4 frame is expected to be 1mm thinner. Another change is that Z3 has flap covering for microSD port on the side while Z4 is designed with open port like on Xperia M4 Aqua. Z4 also features a dock port on one side. Many changes are expected this time better camera and faster CPU are one of them. Change of display is also expected. We will update you as we get the next news regarding Z4 fresh from the store.

Leaked images show metal frame of Xperia Z4