Place the .bin file in the root directory (not inside any folder). Flashing Process: Unplug the TV from power. Insert the USB drive into the TV. Hold the Power button on the TV keypad (not the remote). Plug the power cord back in while holding the button.
Installing the wrong firmware can "brick" your TV or cause a mirrored/upside-down display. Ensure the Board Number (printed on the PCB) matches the firmware version before proceeding. Download TSUMV56 MSD3553 T4C1 1366x768 Orient Dump rar
Use WinRAR or 7-Zip to extract the .rar file until you get a .bin file (usually named MSTFLASH.bin or allupgrade_v56.bin ). Prepare the USB: Format a USB drive (8GB or less) to FAT32 . Place the