Ok so I seem to have the dreaded white screen flash on my W850 and happened when I connected my phone to my computer for a simple file transfer, selected the file transfer screen, phone rebooted as normal, but then didn't start the file transfer mode and simply the screen began flashing white.

Does anyone know of a known or easy method of fixing it as it seems to be a common problem, but doesn't seem to be any set method for actually fixing it, and I assume it involves flashing the firmware (but have never done anything like that before).

I tried updating via SEUS (and it went through ok), but it didn't fix anything, screen still flashes white when turned on, I assume the fact it through ok though means the phone isn't completely screwed and should still be fixable?