As expected by many Xperia fans, Sony this week has started rolling out a new Nougat-based Android Concept firmware update for the Sony's Xperia X lines. The update, which carries the build number of 38.1.A.0.367, will also bring support for VoLTE.(Voice over Long-Term Evolution).

According to GSMArena, the new update with firmware build number of 38.1.A.0.367 bring VoLTE support for the Xperia device, along with the latest Android security fixes for November ), bug fixes for camera-related crashes, new Xperia Home version, and other minor tweaks.

Android 7.0 Nougat is the seventh major version of the Google's Android operating system. First released as a beta build on March 2016, and was finally released to the mainstream in August 2016.

The Nougat-based Android OS introduces a lot of notable changes to the mobile operating system including a split-screen display mode for phone, an OpenJDK-based Java environment, support for the Vulkan graphics rendering API, seamless system updates on supported devices, and an experimental multi-window mode. Also on Nougat, is a redesigned notification, featuring a smaller row of icons for settings, and allowing inline replies to multiple notifications and greater app control over notifications.

In addition to the user experience, the Nougat also include the newly upgraded Doze power saving mechanism, which was first introduced in the early builds of the Android Marshmallow OS.

The Android 7.0 Nougat was first introduced with the Nexus 6, Nexus 5X, Nexus 6P, Nexus 9, Nexus Player, and Pixel C devices

At this time, the update is available only for German carriers Telekom, Vodafone, and Telefonica/02. However, the update has also planned for roll-out in the UK and Spain in the coming months, according to Teckibay.

VoLTE is a wireless standard for high-speed wireless communication for mobile phones and data terminals. It allows the user to access HD voice calls and other real-time services.