Some Xperia Z owners complain of loose back panels, water resistance compromised

Some Xperia Z owners complain of loose back panels, water resistance compromised

http://www.xperiablog.net/2013/08/05/some-xperia-z-owners-complain-of-loose-back-panels-water-resistance-compromised/

http://talk.sonymobile.com/thread/129850?start=10&tstart=0