Check software version
You can check the software version of your mobile phone. If you don't have the latest software version, it's recommended you update the phone software.
Find "Software information"
Slide two fingers downwards starting from the top the screen.
Tap the settings icon.
Tap About phone.
Tap Software information.
Check the software version
Your mobile phone's software version is displayed below Android version.
Return to the home screen
Tap the Home key to return to the home screen.