Sony Xperia Z4 Release Date: What to Expect from New Device when Launched

Sony will look up to its flagship smartphone, the Xperia Z4 to boost its business, as its predecessor Xperia Z3 and other devices failed to improve its profit margin despite receiving critical acclaims. The next generation device will be unveiled on the first day of Mobile World Congress 2015 (MWC 2015) and launched a few days later. Feb 20, 2015