It's nothing to do with that. The fact is that there are almost 20,000 unique Android devices floating around. With smaller companies like this, they don't typically provide a lot of documentation of their firmware, nor worry about making sure that the files are out there for their consumers as evidenced by their site where they offer the firmware for like 2 or 3 of their like 10 different tablets or whatever. Also, it's hard for others with no experience with these devices to provide useful help as many Android devices have different ways to update or fix issues like this. We can't all be experts in all the different variations that occur. That said, you can try this (note the disclaimer about the date of manufacture!):
You would have to install a custom recovery and have a copy of the stock build.prop from the particular update you are on to fix it any other way.