Firmware for these generic and specialized boards is usually hosted on community-driven technical forums and file-sharing sites rather than official manufacturer pages.
A common source for TP.MT5507.PB801 software and similar universal board firmware. Download MT5507 3840x2160 Videocon part05 rar
Technical channels often provide Mega or Mediafire links in their descriptions for specific board updates. Installation Instructions Firmware for these generic and specialized boards is
Because high-resolution 4K firmware files are large, they are often split into smaller "parts" (like part01, part02, etc.) to make downloading more stable. You will need (typically 5 to 10 files) in the same folder to successfully extract the final installation file. Where to Find the Download Download MT5507 3840x2160 Videocon part05 rar
TP.MT5507.PB801 Smart WIFI LED TV Board Software Free Download