This specific firmware is for 3840x2160 (4K). Do not use it on 1080p screens.
Open your TV back panel to confirm the silk-screened text says MSD6586-T8E2 . Download MSD6586 T8E2 3840x2160 Innova rar
If you'd like, I can help you for your Innova model or explain how to recover a bricked board using a serial console. This specific firmware is for 3840x2160 (4K)