Tap the Settings icon to enter Android’s system-wide Settings app.
Scroll down on the Settings screen and look for “About phone” option. You’ll usually find this at the very bottom of the main Settings screen, under System.
Look for “Android version” to find the version of Android installed on your device.
It just displays the version number, not the code name — for example, it says “Android 6.0” instead of “Android 6.0 Marshmallow”. You’ll have to perform a web search or look up a list of Android code names if you want to know the code name associated with the version. Here’ is an example list:
Android 6.0: MarshmallowAndroid 5.0 – 5.1.1: LollipopAndroid 4.4 – 4.4.4: Kit KatAndroid 4.1 – 4.3.1: Jelly BeanAndroid 4.0 – 4.0.4: