Bilişim Ve İletişim Teknolojileri / Yazılım / Yunanistan Talepleri

I have a JVC LT-55K880, and I need the firmware of it, I checked on YouTube and I found a guy who had the same issue as me, you sent him the firmware and he solve it. Please help me if possible.

I need inquiry about industries (manufacturers) of Cnc plasma, laser, oxygen, engraving machines. My company provides Cad-Cam solotions.