This year Google released Android 6.0 Marshmallow and few phones already got Marshmallow update officially while other are running unofficial Marshmallow .
Even Some users are satisfied with Android 5.0 Lollipop on their Smartphones .
Regardless, there are still many phones running KitKat and Jelly Bean and even below . Our question today is, what version of Android is your current smartphone running?
You can see the version of Android on Your Phone's Settings > About Phone > Software info .