If you are not experienced with TV repair, purchasing a replacement motherboard (which comes with software pre-installed) is often safer and cheaper than potentially damaging the mainboard with incorrect flashing.

Elara took a breath and pressed power. The backlight surged to life, and instead of the frozen ghost of the logo, the setup wizard appeared in crisp, vibrant colors. The TV wasn't just fixed; it was reborn.

Since this is a technical component, you should look for the software on reputable technician-led sites. These sources often provide the firmware for free or via a small membership fee: