: Use a tool like WinRAR or 7-Zip to extract the contents. You are looking for a file with a .bin or .pkg extension.
: Plug the TV back in. On many models, you must hold the Power button on the TV panel (not the remote) until the update screen appears. Download CHANGHONG RUBA LED39B2500 Software rar
: Websites like Kazmi Elecom are well-known in the repair community for hosting collections of Changhong Ruba firmware. : Use a tool like WinRAR or 7-Zip to extract the contents