From the main screen, press the MENU key, then tap "System settings."
Note: For best results, perform this process while connected to a Wi-Fi® network.
Press and slide your finger up the phone to get to the end of the options.
Tap "About phone."
Tap "Online update."
Your phone will install the update, if available, or display a message indicating that it is up to date. Tap "OK" when the update is complete.
To return to the main screen, press the HOME key.
I'm interactive.Click my buttons.