Installing incorrect firmware or interrupting the process can permanently damage your TV.
While holding the button, plug the TV back into the wall outlet. Download MT5507 3840x2160 Videocon part08 rar
Release the button when you see the led light blinking rapidly or an "Upgrading" progress bar on the screen. Press and on the physical TV cabinet (not the remote)
Press and on the physical TV cabinet (not the remote). Insert the USB drive into the TV's USB 2
The exact process varies by TV model, but most Videocon MT5507 boards follow this USB upgrade method:
📁 Place the extracted .bin file directly onto the root of the USB drive (do not put it inside a folder). 🔌 The Flash Process: Turn off the TV and unplug it from the wall. Insert the USB drive into the TV's USB 2.0 port.
The file is a specific split archive volume of a firmware file for a Videocon 4K Ultra HD television [1, 2].