Japanese mobile phone maker Sony Mobile has started to deliver a new firmware update for the owners of Xperia Z and Xperia ZL smartphones out there, namely software version 10.3.1.A.0.244.
The upgrade is based on Android 4.2.2 Jelly Bean, and should already appear as available for some of the owners of the Xperia Z (C660X) and Xperia ZL (C650X) out there.
While the update was never listed on the PTCRB website, earlier builds have been spotted on developer devices re... (read more)