This method is often used if the TV is stuck on a logo or won't start normally.
Use a reliable USB 2.0 or 3.0 drive, ideally 4GB to 16GB in size. FAT32 Formatting: The USB drive must be formatted to FAT32 . Windows: Right-click drive > Format > Select FAT32 > Start. Mac: Disk Utility > Erase > Select MS-DOS (FAT). Warning: Formatting erases all data on the USB drive.
To ensure a smooth and successful update experience:
Keep holding the button until the standby LED light starts .