If the device is closed at any time the upgrade will fail.
With the phone open and at the main screen, perform an over-the-air activation. For assistance refer to Performing over-the-air activation. If presented with the activation screen, press OK to choose Send.
Press OK. Device will restart.
Press OK. Software download will take 1 to 2 minutes.
Press OK. Software upgrade will take 1 to 2 minutes.
Navigate Menu > Settings and Tools > Phone Info > SW / HW Version and verify the upgraded version.