over the air and via PC-USB. Quite amazing this, at long last end users will be able to update the firmware of their mobile phone without going to a service center. Only available for N70/N72/6131/6630/6680/6681/6682 at the moment and with the 6131 the only one able to do this OTA (Over The Air), the rest via your PC. Hurrah!! Go here for the download.
Nokia release new S60 Utility to update Firmware