Insert the USB, go to Menu > Settings > Software Upgrade (USB) and confirm.

Do not change "Design Data" unless you are certain of the setting, as it can cause display issues. Update Procedure via USB

Copy the extracted firmware file (e.g., bin file) directly to the root directory of the USB drive (not inside a folder). Initiate Update:

Enter the numeric code: (or 1078 / 0000 for some models).

Use a drive (8GB or less) formatted to FAT32 .