We are receiving a number of reports from Sony Xperia Z1 owners that firmware build number 14.3.A.0.761 is starting to hit their handsets via an OTA (over-the-air) update. Up until now this firmware build had seen a very limited rollout to carriers in China and France. It appears that Sony is widening the release through the 1.9MB OTA release.
This small update moves the Xperia Z1 build number from 14.3.A.0.757 to 14.3.A.0.761, so expect only small bug fixes. Recently a new firmware with build number 14.3.A.0.769 was certified, so there may be another update on the horizon too.
Update: The update has also started to land for some Xperia Z1 Compact users too.
Thanks Felipe, Jenge, Johan and Octavio!