The specific "part1.rar" file indicates a split archive. You must download all parts (part1, part2, etc.) for the extraction to work.
: The indicator light (usually red/green) will start flashing rapidly. This means the software is being written to the EMMC. Download HV320 PB801 1920x1080 M90 part1 rar
: Use a high-quality USB 2.0 flash drive. Format it to FAT32 or NTFS (as specified by some technical guides). The specific "part1
If the USB method fails because the board is completely dead or "Read Time Out" occurs, you may need an to write the software directly to the EMMC chip via JTAG or ISP. This is a professional repair step and requires specific hardware. This means the software is being written to the EMMC
: 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.
: Wait approximately 3–5 minutes. The TV will either restart automatically or the light will stop flashing. Do not turn off the power during this process , as it can brick the board. 4. Advanced Recovery (EMMC)