ok so i plugged my nokia n73 into da pc... for some reason it was automatically updating it said: "please don't unplug or disconnect phone" i let it install it was about 24% done and it disconnected the phone by it self... my phone doesnt turn on any more..... but when i plug it to da pc it said unknown device.... so can any one help me plz.......!!!!!!!!!!!!!!!!! best answer will get the points 
