: 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)
: You should get a file named something like allupgrade_v320pb801_sos.bin . If the name is different, some technicians recommend renaming it to a standard update name recognized by the board. Download HV320 PB801 1920x1080 M90 part1 rar
: Firmware for this board is often shared via community links on Facebook or specialized Telegram channels. : Wait approximately 3–5 minutes
: Press and hold the Power button on the TV keypad (not the remote) while plugging the power cord back in. : Firmware for this board is often shared
: Ensure the file name includes 1920x1080 and M90 to match your specific panel resolution and remote configuration. 2. Prepare the USB Drive
The specific "part1.rar" file indicates a split archive. You must download all parts (part1, part2, etc.) for the extraction to work.
: 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.