heres the latest HW filmware v3.2 i uploaded as few of my mates struggle finding filmware on site
http://www.sendspace.com/file/3az3cn
install software
plug in LCD box, Launch HW usb link
then select 2n1 (from upper bar/column)
now should show you which filmware box is on an from here can update it (508)
now connect esc with battery to box
select esc in top bar
switch on esc
from here can update filmware on esc with 930 stock or mod