You can find the specific file through the following community and technician resources:
: Try Input + 208 or Menu + 8892 if the first does not work. Download R85 031 1280X1024 rar
: Insert the USB into the TV's USB port while the power is off. Turn on the power; the indicator light should blink rapidly, signaling the update is in progress. You can find the specific file through the
: Search for T.R85.031 Firmware installation guides on YouTube for step-by-step visual instructions and download links in descriptions. Installation Steps Format USB : Use a USB drive formatted to FAT32 . the indicator light should blink rapidly
: Unzip the .rar file and copy the firmware (usually a .bin file) to the root directory of your USB.