Carrying on from the recent announcement of its Xperia Z4 Tablet that was introduced as part of MWC 2015 last month, Sony has now taken the wraps off its latest flagship smartphone - Xperia Z4. Fans of the Xperia lineup of smartphones will be pleased to know that the latest Z4 hasn't deviated hugely from its predecessor - Xperia Z3 - in terms of aesthetic design, but does come with improved technical specifications under-the-hood.
