Find "System updates"
Slide two fingers down the display starting from the top edge of your phone.
Press SETTINGS.
Press SETTINGS.
Press About phone.
Press System updates.
Update phone software
Press Check for updates.
If a new software version is available, it's displayed.
Follow the instructions on the display to update your phone's software.
If a new software version is available, it's displayed.
Follow the instructions on the display to update your phone's software.