Sony is rolling out a new Android 5.0.2 Lollipop firmware (build number 23.1.A.1.28) for its Xperia Z2 and Z3 series devices, including the Z3, Z3 Compact, Z3 Tablet Compact, Z2, and Z2 Tablet. The update includes fixes to enable the easy movement of content from internal memory to external microSD card, as well as improved messaging functionality in Ultra stamina mode. in addition, it ensures that the LED light is lit across all sound modes, and the lock screen / notification bar doesn't indicate "no service" when the device has coverage. Finally, the update also brings back the "close-all-button" in the activity menu. Meanwhile, Sony's Xperia Z has also been confirmed to get the Lollipop update next...
Source: http://www.gsmarena.com/android_502_lollipop_rolling_out_for_sony_xperia_z2_z3_series-news-12155.php