: Copy only the firmware file (often named upgrade_loader.pkg or similar) directly to the root of the USB drive; do not put it inside a folder. Trigger the Update :
: Insert the USB into the TV's white USB 2.0 port. Navigate to Settings > Support > System Update > Upgrade from USB .
If your TV is stuck on a logo or cannot update over the internet, follow these steps: : Use a USB drive formatted to FAT32 .