Sony Xperia Z4 Release Date: Next Gen Smartphone to have Superior Features over Xperia Z3

All eyes are on the Sony Xperia Z4 as its release date is getting closer. The device is expected to be unveiled on the first day of Mobile World Congress 2015 (MWC 2015), which is scheduled to kick off on 2 March, in Barcelona. Reports have suggested that the Sony Xperia Z4 would have much superior features over its predecessor, the Xperia Z3. Feb 17, 2015