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I tried updating the firmware to 30.xx.xx using Nokia Software Updater. It downloaded the firmware close to 115MB and after downloading the firmware it started installing it on the phone and after 75% progress suddenly the phone switched off. The battery was indeed fully charged. The updater screen just said "Phone connection is lost. Kindly remove the battery and replace it again and turn it on." On doing this, I just get one dim-white blank screen. When I called 30303838 customer care, they said remove the battery for 10 mins and insert it again. That also didn't work. Then the lady said press 3, Call button and the # button continuously to restore the phone to factory settings. That also didn't work. Now I am stuck with a new phone in a non-usable condition tomorrow being a holiday I can't even take it to Nokia Care.