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To find out which Android OS is on your device: Open your device’s Settings.
Tap About Phone or About Device.
Tap Android Version to display your version information.
Why is my Android OS draining my battery?
Check which apps drain your battery. Just go to Settings >> Device >> Battery or Settings >> Power >> Battery Use, or Settings >> Device >> Battery, depending on your version of Android OS, to see a list of all your apps, and approximately how much battery power each is using.
Which is the latest version of Android?
- How do I know what the version number is called?
- Pie: Versions 9.0 –
- Oreo: Versions 8.0-
- Nougat: Versions 7.0-
- Marshmallow: Versions 6.0 –
- Lollipop: Versions 5.0 –
- Kit Kat: Versions 4.4-4.4.4; 4.4W-4.4W.2.
- Jelly Bean: Versions 4.1-4.3.1.