i have N73 phone. i am trying to upgrade my nokia software and downloaded. when i am reinstalling the software unfortunatilly connector got disconnected. later i am unable to see the screen i gone blank screen. i tried to switch off and on the mobile but no luck. when i restart the system and reconnect the datacable it is not dettecting and it says unknown device Can any help me out how can i get my phone back.

See More: while updating n73 software usb got disconnected and screen got blank unable to switch on