The Nexus 5 and Nexus 6 are the only smartphones that have received the Android 6.0 Marshmallow update. Sony is rumoured to roll out the Android 6.0 by the end of 2015. It also revealed a list of Xperia devices that are going to receive the newest Android build. However, the company has not provided a clear timeframe on arrival of Android 6.0 for its devices.

The official Sony Mobile blog has revealed that the Sony Xperia Z3 and Z3 Compact are the two devices that have receive the Android 6.0 Marshmallow concept build. However, it is a test build that is only available to select users. The Xperia Blog has reported that the update will be made available to other Xperia smartphones and devices soon.

A tipster has revealed that the performance of the Stamina Mode will be improved to deliver better battery life on the Sony Xperia Z5 series flagships, Phone Arena reported. The Stamina Mode is an exclusive feature from Sony for its Xperia series smartphones and phones that can extend the battery life of the device by restricting background activities.

The Android 6.0 Marshmallow that is said to be an upgraded version of the Android Lollipop OS is said to carry native support for improving the battery life of the device. It seems that Sony wants to offer best battery performance by improving its own software.

In the beginning of this month, the Japanese tech giant had announced the list of Xperia devices that will be updated to Android 6.0. It includes:

  • 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 M4 Aqua
  • Xperia C4
  • Xperia C4 Ultra

Although Sony has not announced officially, other rumors suggest that the Sony Xperia Z1 and the Xperia Z Ultra GPE are also going to be upgraded to Android 6.0. The roll out of the Android 6.0 Marshmallow for Sony devices is likely to start by the end of this year and it will arrive for remaining devices in January next year, Venture Capital Post reported.