A few days back Sony Mobile confirmed officially that Android 6.0 Marshmallow update will be available for the following devices viz. Xperia Z5, Xperia Z5 Compact, Xperia Z5 Premium, Xperia Z4 Tablet, Xperia Z3+, Xperia Z3, Xperia Z3 Compact, Xperia Z3 Tablet Compact, Xperia Z2, Xperia Z2 Tablet, Xperia M5, Xperia C5 Ultra, Xperia M4 Aqua, and Xperia C4.
Now an unofficial timeline has come for ETA of Android 6.0 Marshmallow update for Xperia devices. It is expected to roll out next month i.e. January 2016 as per tech journalist Ricciolo.
Xperia Z5 family Android 6.0 Marshmallow update
Check out the tweet made by Ricciolo.
— Ricciolo (@Ricciolo1) December 2, 2015
Earlier he also tweeted that Android 6.0 Marshmallow update will improve the battery saving Stamina Mode feature on Xperia devices.
We will keep you updated once we get any official confirmation on ETA of rollout.