Xperia Tablet Z Wi-Fi Android 4.3 10.4.B.0.577 firmware update rolling

Android 4.3 14.2.A.0.290 firmware was rolled on Xperia Z1 and Xperia Z Ulltra half a month ago which fixed the camera breaking issue on Xperia Z1 after unlocking the bootloader and brought Sony Smart camera app on Xperia Z Ultra besides some new cool Xperia Themes. Later Sony rolled android 4.3 10.4.B.0.569 firmware on Xperia Z, ZL, ZR and Tablet Z LTE version which brought exact same UI what Xperia Z1 now supports and Xperia Tablet Z Wi-Fi version was left out as usual.

http://www.xperiaguide.com/2013/12/29/xperia-tablet-z-wi-fi-android-4-3-10-4-b-0-577-firmware-update-rolling/