Looking for OS updates for OEM phone Model DM932

[Davlex]

Dear Friends,

I am trying to root and upgrade the OS on an OEM android phone .
I have no information on the manufacture of phone.
The model comes up as DM932 running OS 4.04.
http://search.cellphoneshop.com/search?w=andro4a1
Appreciate any constructive help.
Thanks to anyone who can help.