Copy the extracted firmware file directly to the of the USB (do not put it in a folder). Flash the Firmware Turn off the TV and unplug the power cord.

is a 4K Smart LED TV. Firmware updates for these models are often distributed in multi-part RAR archives (e.g., part1.rar , part2.rar ) due to the large file size of the Android-based OS. Step-by-Step Installation Guide

Insert the USB drive into the TV's USB port (prefer the USB 2.0 port if labeled).

Do not turn off the power until the process reaches 100%. Troubleshooting Tips

Release the button once the "Software Upgrading" or "System Recovering" screen appears.