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Plug the TV back in while continuing to hold the Power button.
: Copy the file (often named allupgrade_...pkg or MstarUpgrade.bin ) directly to the root directory of the USB drive. Initiate the Flash : Unplug the TV from power.
: The standby LED should begin flashing rapidly, indicating the update is in progress. Do not turn off the power during this time.
: This is critical. You must match the firmware to your specific TV brand and panel model (e.g., HV320FHB-F41), as generic board firmware may result in an upside-down image or incorrect colors.
Before attempting a firmware update, you must gather the following:
: Once the flashing stops or the TV restarts, remove the USB drive. Troubleshooting and Technical Specs
: Professional repair forums like KenotronTV or Elforum are the best places to find verified "dumps" for these boards.
: Locate the .bin or .img firmware file specifically for the TPD.NT72563.PB781 board.
: This board is also used in Kruger & Matz KM0232S models.
: Since this involves the motherboard, sometimes a direct eMMC "dump" using a programmer like the UFPI or EJTAG is required if the USB method fails. How to Install Firmware via USB
