Sony Mobile has just tweeted that a new Android 4.2.2 firmware update is rolling out to the Xperia Z, Xperia ZL, Xperia ZR and Xperia Tablet Z. They have said the update brings “display, camera, battery fixes & performance tweaks“. No more information has been given, although we expect this to be firmware build number 10.3.1.A.2.67 that recently started to hit Xperia ZR handsets.
Confirming: new JB 4.2 firmware rolling (phased) for #XperiaZ, ZL, ZR & Tab Z – brings display, camera, battery fixes & performance tweaks
— Sony Xperia News (@SonyMobileNews) September 19, 2013