Ο/H Phone Arena News έγραψε:

The Sony Xperia C4, a smartphone released over a year ago, is now getting its official Android 6.0 Marshmallow update. At the moment, the update seems to be live only for these following Xperia C4 and Xperia C4 Dual models: E5303, E5306, E5333, and E5343. Other two models - E5353 and E5363 - will probably get the update in the near future.

It looks like Marshmallow is the last major update that the Xperia C4 is receiving, as Sony hasn't included the phone on its list of devices that will get Android 7.0 Nougat. Nevertheless, Xperia C4 owners will certainly appreciate having Marshmallow ...