Technically yes, but not recommended. Newer firmware often fixes hardware errata. Only downgrade if a new version introduces instability.
TP.SK706S.PC822 is a highly integrated often found in various LED TV brands. Firmware for this board is typically required for troubleshooting "stuck on logo" issues, software corruption, or when replacing the motherboard. Board Specifications Operating System : Android 11. Resolution Support : Up to 4K resolution. Tp.sk706s.pc822 Firmware
However, like any Android-based hardware, software glitches, boot loops, or corrupted data can cause the system to fail. Flashing the correct is the most effective way to revive a dead or malfunctioning TV using this board. Technically yes, but not recommended
Here’s a for the Tp.sk706s.pc822 Firmware . Resolution Support : Up to 4K resolution
: Technicians solder thin jumper wires directly to the board's eMMC pinouts ( CLK , CMD , DAT0 , and GND ). This lets them overwrite the flash memory cells directly using a clean, working system dump file ( Damp eMMC ) taken from an identical, functioning TV model.