It seems like Sony isn’t done releasing the Lollipop update for the Xperia Z2 and Xperia Z3. The company is currently pushing out another update that is based on 23.1.A.0.740. The update is currently live for Xperia Z3, Xperia Z3 Compact, Xperia Z2 and Xperia Z2 Tablet as for the roll-out, it is currently rolling out for Orange network in different countries such as Romania, Poland, Slovakia, France and Spain. As far as we know, the update is career specific and won’t be coming out as a global update.
The latest global update for the users will be 23.1.A.0.726. Let us know if you find any changes. The firmware can be downloaded using Sony’s flashtool or via OTA.