All official firmware and download file File for Xperia Z Ultra
Sony has released firmware updates for Xperia Z ultra, small number of bugs to fix first, and remains the Fw firmware 4.2.2, is not firmware 4.3.
Content firmware 14.1.b.0.471
Fix some bugs for computer system run smoother, and firmware 4.3 will fix this bug so perfect.
It is most unfortunate that sony is still not open firmware X-reality features, but nothing too worrying because bravia engine 2 was set. And this can assert that X-reality feature will enable in early September.
And the astonishing thing is AnTuTu score of Fw (14.1.b.0.471) is 33 099 (Fw 14.1.b.0.461 is 33.233)