Navigate to > System > Software Update > Update by USB .
Right-click Part 1 and select "Extract Here." This will automatically pull data from all parts (including Part 3) to create a single firmware file, typically ending in .bin or .img . Format the USB: Use a USB drive formatted to FAT32 .
Once finished (usually 3–7 minutes), the TV will restart automatically.
Never turn off the TV or remove the USB during the update. This can permanently damage the software.
Depending on whether your TV can currently power on, use one of the following methods: Method A: For a Working TV (Menu Update) Plug the USB drive into the port of the TV.
To download and install the firmware (specifically part 3 of a multi-part archive), follow these steps to ensure a successful update. 1. Download and Prepare the Files
Plug the TV back into the power outlet while continuing to hold the Power button.
Unplug the TV from the power outlet for about 10 minutes to reset it. Insert the USB drive into the TV.