Sony's concept Marshmallow build is now rolling out to Xperia Z3 and Z3 Compact

Sony announced earlier this month that its Concept for Android initiative - which was launched earlier this year - will allow 10,000 Xperia Z3 and Xperia Z3 Compact owners to beta test Android 6.0 Marshmallow. Well, that concept Marshmallow build has started rolling out. The build will be rolling out gradually over the coming weeks, so you'll have to patient if it hasn't hit your device