Power off the TV, insert the USB drive, and power it back on. The board should detect the file and begin the update automatically, usually indicated by a flashing LED.
Installing the incorrect resolution or version can cause display issues or brick the board. Always verify your panel's resolution before flashing. Download R85 031 1400 1050 zip
T.R85.031 (often listed as V.09 or similar versions). Target Resolution: 1400x1050. Power off the TV, insert the USB drive, and power it back on