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Keep holding the button until the front standby LED starts flashing rapidly or an upgrade progress bar appears on the screen. Release the power button once the update sequence begins. Step 4: Finalize the Installation

Locate the physical directly on the TV frame (usually found underneath the bottom bezel or on the rear control panel toggle).

To safely update your TV, gather the following items and follow these preparatory steps.

: Technicians use a dedicated hardware programmer to write the firmware directly onto the mainboard's eMMC chip. A pinout diagram of the 40-MT56S1-MAE2LG mainboard is available to help identify the CMD, CLK, DAT0, VCC, and GND points for connecting the programmer.