I done that too and followed the instruction.
I plugged my 8320 w/ PC and the click apploader and check for update. it said no software update
![Confused](http://www.blackberryforums.com/images/smilies/icon_confused.gif)
.
I just download 4.5 OS...ggrrr.. i ll playin around and try to figuire it out..
Figiured it out!! I just deleted vendor again..
Thanks!