You can check the software version for your mobile phone. If you don't have the newest software version, you can update your mobile phone's software.
Find "About phone"
View software version
Slide your finger down the display starting from the top edge of your mobile phone.
Tap the settings icon.
Tap About phone.
Return to the home screen
Your mobile phone's software version is displayed below Android version.
Tap the home icon to return to the home screen.
*Please refer to the Sony website for more information or further support.*