If you can tell me the and the panel number (found on the sticker on the screen itself), I can help you find a more specific, compatible firmware.
Press and hold the physical on the TV panel (not the remote control). Tp-sk706s-pc822 Firmware Extra Quality
What (e.g., boot loops, locked features, missing drivers) are you currently trying to solve? If you can tell me the and the
If the firmware bootloader does not match your chip layout, the board may lose power entirely and refuse to turn on. Tp-sk706s-pc822 Firmware Extra Quality