Official Android 4.3 Jelly Bean is now rolling for Sony Xperia Z, ZL, ZR and Tablet Z with build number 10.4.B.0.569. Other Xperia devices such as Xperia Z1, Xperia Z Ultra, Xperia SP and Xperia L have been certified by PTCRB with new Android 4.3 firmware build.

Official Android 4.3 Jelly Bean Released

For the Christmas Eve, Sony presents the official Android 4.3 Jelly Bean firmware rolling out for Xperia Z, Xperia ZL, Xperia ZR, Xperia ZQ and Xperia Tablet Z. It holds the firmware build 10.4.B.0.569 running Android 4.3 with native additions such as project butter for performance enhancements and new Sony add-ons.

Sony official Android 4.3 Jelly Bean add-ons:

- Smart Social Camera found on Xperia Z1 and Z Ultra.

- Xperia Themes for downloadable custom user interface packs from Sony Select.

- Updated version of native power saving tool called STAMINA mode.

- Newly improved messaging app, MyXperia, Smart Connect, Small Apps, TrackID and Sony Select.

- Restricted profiles now enabled on Xperia Tablet Z.

Owners of the Xperia devices can download and update to Android 4.3 Jelly Bean using the Sony PC companion on Windows computers or using Sony Bridge for Mac.

Xperia Z1 and Z Ultra New Build

PTRCB has certified a new firmware build for Xperia Z1 and Z Ultra that still runs Android 4.3 Jelly Bean. It has the build number 14.2.A.1.114 certified for Xperia Z1 C6902, C6903, C6906 and Xperia Z Ultra C6802, C6833, C6843 and C6806.

Updating with this new firmware will move the device from 14.2.A.0.290, offering significant changes and probably polishes on reported issues expected to be released on New Year's Eve.

Xperia SP New Firmware Builds

Sony Xperia SP new 12.1.A.0.253 firmware build certified by PTCRB on Dec. 23 could be the upcoming Android 4.3 Jelly Bean update for the holidays. It is compatible for Xperia SP C5302, C5303 and C5306 that may be released after Christmas and before New Year's Eve. Some features from high-powered Xperia devices may also appear on Xperia SP via this new build.

New Firmware for Xperia L

Another certification for PTCRB has been announced for Xperia L with build number 15.3.A.1.12. Once released, Xperia L owners will move from 15.3.A.0.027 Android 4.2.2 Jelly Bean to a probable Android 4.3 Jelly Bean 15.3.A.1.12 due to its significant change on the code.

No exact detail has yet been revealed regarding new features or apps on the new firmware build for Xperia L that may be released along with Xperia SP before the year ends.