Firmware for the MT5507 chipset (often found in 4K Smart TVs) typically includes a "deep feature" set for restoring system functionality or updating the Android version.
To download the firmware file, you will typically need to access specialized LED/LCD TV repair communities or dedicated firmware repositories, as these specific multi-part archives are often shared by technicians on forums or Telegram channels. Potential Download Sources Download MT5507 3840x2160 Videocon part09 rar
: Ensure the firmware is strictly for 3840x2160 . Installing a 1080p firmware on a 4K panel can cause "no display" or solarization issues. Firmware for the MT5507 chipset (often found in
Plug the TV back in while holding the button until the upgrade progress bar appears on the screen. Installing a 1080p firmware on a 4K panel
Do you have the (e.g., CV338H-A42 or similar) to ensure this specific firmware part matches your hardware?
Press and hold the on the TV panel (not the remote).