is your TV experiencing (e.g., stuck on logo, no power, app errors)? Have you already downloaded part 1 and part 2?
Use software like WinRAR or 7-Zip . Right-click on part1.rar and select "Extract Here". It will automatically combine the data from part2 and part3 .
I can also guide you on where to find the official firmware if you're having trouble locating a safe source.
Look for a file named upgrade.bin or similar. Prepare USB Drive: Use a USB drive formatted to FAT32 .
If the TV still doesn't turn on, you may need to use a flash programmer tool to install the firmware directly onto the IC chip. To make sure you get the right files, could you tell me: