: Ensure your USB drive is formatted to FAT32 .

Go to > Device Preferences > About > System Update .

: Use a utility like WinRAR or 7-Zip to extract the contents. You are looking for a file that typically ends in .bin or is named Update.img .

: Keep holding the button until you see the front LED light begin to blink or an "Upgrading" progress bar appears on the screen.

: Copy the extracted .bin or .img file directly to the root directory of the USB drive (not inside any folders). It should ideally be the only file on the drive. 2. Install via USB (Manual Method)

: Release the button and let the process finish. The TV will automatically restart once the update is complete, which may take about 4 minutes. Alternative: Network Update

: Plug the USB drive into the USB port on the back or side of the TV.

: Press and hold the physical Power button on the TV (not the remote).