Updated KR300 LattePanda with KR310 BIOS and EC Firmware

Hi,
I had downloaded the KR310 BIOS from the GitHub page, I didn't realise that these were different models, and thought the KR310 was an upgraded version.
I flashed the BIOS file and it worked fine, however once I flashed the EC, the LP no longer boots, it just stays on a blue LED.

I have a Bios programmer, so I refreshed the LP to the KR300 Bios and sadly it doesn't boot.
Has anyone successfully fixed this?
My only thought was to buy a KR310 model, swap the IT8110E chips, flash it with the KR300 firmware and then swap it back into the KR300 unit.
Has DFRobot ever helped to repair something like this?

Kind Regards.