Have a look here http://booxusers.com/viewtopic.php?f=7&t=746
and tell me if yours looks like the black one only in white.
EDITED. Just notice your link. Yes that is an Onyx not a Hanlin. Go to my link and have a look around that forum. They have a whole section on firmware development and many links to other firmwares that might help you out. Make a note that your model is the X60S.