Which Wood R4 is this??

Hi I managed to fine my flashcart by googling for hours and managed to update the firmware to the alex rider one.
I then found on there website a version of wood and tested it and it works!!
Now heres my problem Wood is version 1.20 and I would like to update it to the latest version.I need to know which version of would it is etc and where to find its updates.
Since I do not know what r4 I have here is the link to their website and the wood I downloaded.
http://www.r4i-u.com/
http://www.r4i-u.com/download.asp
http://www.r4i-u.com/download/WOOD_R4ids1.20.rar

Just go here:
http://forum.romulation.net/index.php?topic=39701
Its always updated with latest versions, downloads and anuf information!

or just go gbatemp