The indicator will blink slowly during the update. Once it blinks rapidly (or changes color), the process is complete.
Power off the TV at the wall, then insert the USB drive into the USB 1 port. Initiate Update:
This download relates to the firmware for the Polarline 50PU11TC-SM
Release the button once the indicator light begins to blink.
Follow these steps carefully to flash the firmware. Unplugging the TV during this process can permanently damage the mainboard.
Place the extracted .pkg file directly into the root of the USB drive (not inside a folder).
Use a utility like WinRAR or 7-Zip to extract ; the software will automatically combine all segments into the final firmware file.