Release the button once the "Software Updating" or progress bar appears on the screen. Important Precautions
: Format a USB flash drive (8GB or 16GB) to FAT32 . Copy the extracted firmware file directly to the root directory of the drive (do not put it in a folder). Flashing the TV : Turn off the TV and unplug it from the power outlet. Download 43SU128 49SU131 55SU134 Firmware part02 rar
: Ensure your TV sticker matches 43SU128 , 49SU131 , or 55SU134 exactly. Using the wrong firmware version can cause screen inversion or remote control failure. Release the button once the "Software Updating" or