Android 4.3 firmware build 10.4.B.0.569 certified for Xperia Z, ZL, ZR and Tablet Z

Android 4.3 has already begun to roll out to the Sony Xperia Z1 and Xperia Z Ultra and now it looks like other devices won’t be too far behind. The Android 4.3 firmware build 10.4.B.0.569 has been certified by the PTCRB for the Xperia Z (C6602, C6603, C6606), Xperia ZL (C6502, C6503, C6506), Xperia ZR (C5502, C5503) and the Xperia Tablet Z (SGP321). We’ll keep you posted as soon as thefirmware starts to roll out.