: The indicator light (usually red/green) will start flashing rapidly. This means the software is being written to the EMMC.
: Ensure the file name includes 1920x1080 and M90 to match your specific panel resolution and remote configuration. 2. Prepare the USB Drive Download HV320 PB801 1920x1080 M90 part1 rar
: Copy the .bin file directly to the USB drive's root folder (do not put it inside a folder). 3. Installation Steps (USB Method) Power Off : Unplug the TV from the wall. : The indicator light (usually red/green) will start
: Use a high-quality USB 2.0 flash drive. Format it to FAT32 or NTFS (as specified by some technical guides). Installation Steps (USB Method) Power Off : Unplug
: Plug the drive into the TV's USB port (use the USB 2.0 port if labeled).
: Use WinRAR or 7-Zip to extract the .rar file. Right-click "part1.rar" and select "Extract Here."
The specific "part1.rar" file indicates a split archive. You must download all parts (part1, part2, etc.) for the extraction to work.