Format a USB drive to FAT32 . Copy the extracted firmware file (e.g., allupgrade_5510_8G_1G.pkg ) to the root directory. Flash Firmware: Unplug the TV from the power outlet. Insert the USB drive. Press and hold the Power button on the TV (not the remote).

Do not turn off the TV or remove the USB during the installation process, as this can permanently "brick" the mainboard.

Place all .rar parts in one folder and extract Part 01. This will automatically combine them into a single firmware file.

Firmware for this specific board is typically hosted on technician-focused forums and databases. You can often find the full set of files at the following sources:

This site hosts firmware for the TP.MT5510S.PB782 , which is compatible with several TV brands using this board.

Technical documentation and schematics for this board are available for review on Scribd . Installation Instructions (USB Method)

Plug the TV back into the power while continuing to hold the button.