Sony to reveal the slimmer, lighter, brighter Xperia Z4 at the MWC 2015

Sony has announced that it will reveal something "slimmer, lighter, brighter" at the upcoming Mobile World Congress (MWC 2015), scheduled to kick off in Barcelona next week. Is it the Xperia Z4 ?

The company posted a teaser image (photo above) on Twitter showing a person holding a white device, which looks similar to the Xperia Z4 tablet that leaked just days ago.The Z4 leak revealed Xperia Z3-like design with rounded metal edges and a 2K display. Stay Tuned!

Source [Twitter]