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Firmware updates are risky. Ensure the firmware version matches your TV's mainboard model exactly to avoid "bricking" the device.
Hold the button until you see a "Software Upgrading" or progress bar on the screen.
Download all files named 40E510S.part1.rar , 40E510S.part2.rar , and 40E510S.part3.rar . Place all parts in one dedicated folder on your computer.
Right-click on and select "Extract Here" using WinRAR or 7-Zip .
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