Do you have the (e.g., TP.MT5510S.PB801) from inside the TV to help narrow down the specific firmware file?
: Ensure the downloaded file matches your TV model and region exactly to avoid damaging the hardware. USB Preparation Download ONIDA LEO43HG Firmware USB rar
: Always use the "Eject" option on your computer before removing the USB to prevent file corruption. Installation Steps (USB Flashing) Standby Mode : Power off the TV and put it in standby mode. Do you have the (e