Find "System updates"
Slide your finger down the display starting from the top edge of your phone.
Press the settings icon.
Press the settings icon.
Press All.
Press About phone.
Press System updates.
Update phone software
Press Online update.
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.