The code 1280X768 dictates the exact pixel dimensions the firmware outputs to match a corresponding 1280x768 display panel.

Do not turn off or unplug the television while the software update is in progress. 📥 How to Install the Firmware

Use a program like WinRAR or 7-Zip to extract the .rar folder. You need to locate the raw file inside (it usually has a .bin extension).

Format a low-capacity USB flash drive to the FAT32 file system.