Just updated my Kobo N647B and can only see start screen in (loop).
I read all the posts - Ill give you 1000 Kisses if I could get same SD image to get my Kobo back.
Usb doesn't work - can turn it off , can turn it on but just after it starts progress bar is looping ....
I give you 10000 kisses if I get my Kobo back

(((