There are so many China tablets out there it's difficult if not impossible to tell what you have by looking at the chips/motherboard. How about more information? Is it running or did it run, is it dead, why are you looking for firmware, what was it running, the build number version information?
OK, so more questions. How did it die? (I'm almost afraid to ask what may have happened). Does this look and sound familiar http://www.argos.co.uk/static/Product/partNumber/2582272.htm
7'' Without sound buttons Only the power button Looks like this http://3qict.com/en/products/tablet/lc0901d the customer brought it dead
The page what you shared, has support section and firmware download avaible? Model is 7 or 9 inch? Enviado desde mi GT-I8190L