Sites like Laboneit , Kazmi Elecom , or Firmware.vip often host these bins. You may need to create a free account to view the download links.
This is usually an LVDS map issue, also fixable in the Service Menu under "TI Mode" or "Bit Depth." hktrt2843p639 firmware link
If you are looking for the official firmware download link for the mainboard, you likely need to recover a television that is stuck on the boot logo, experiencing software glitches, or showing a black screen despite having power. Sites like Laboneit , Kazmi Elecom , or Firmware
Your is stable; a power cut during flashing is fatal for the board. Where to Find the HKTRT2843P639 Firmware Link Your is stable; a power cut during flashing
Press and hold the on the TV cabinet (not the remote). While holding the button, plug the power cord back in.