If you need to adjust panel settings (like flipping the screen or changing resolution) after the upgrade, use the service code: Service Menu on your remote.
Custom firmware voids any warranty and can permanently damage the hardware if not matched exactly to your revision. tvst2903 firmware upgrade
: Specific "dump" files for this board are often shared by repair communities like KenotronTV or dedicated LCD/LED Firmware repositories . If you need to adjust panel settings (like
Before upgrading the firmware, please note the following precautions: please note the following precautions: