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.
Step 1 of 6
Find "About device"
Slide your finger downwards starting from the top of the screen.
Step 2 of 6
Find "About device"
Tap the settings icon.
Step 3 of 6
Find "About device"
Tap About device.
Step 4 of 6
Find "About device"
Tap Software info.
Step 5 of 6
Check the software version
Your mobile phone's software version is displayed below Android version.