Because this is likely a repair situation, please be aware: Downloading firmware from random file-hosting sites or forums carries a high risk of downloading viruses or corrupt files that can permanently "brick" your TV.

Given the information provided, here's a draft post:

Trusted communities like BadCaps or specialized Telegram groups for TV repair technicians are the safest places to ask for verified EMMC dump files or USB upgrade software.

) is a common task for technicians and DIY enthusiasts looking to repair or upgrade smart TV motherboards