Do you have the (e.g., TP.MT5510S.PB801) from inside the TV to help narrow down the specific firmware file?
: Plug the USB drive into the USB 1 or USB 2.0 slot on the TV.
: Once complete, the TV should restart automatically. Remove the USB drive and delete the firmware file from it to prevent accidental re-flashing. Download ONIDA LEO43HG Firmware USB rar
Alternatively, if the TV is still functional, you can check for official over-the-air updates by navigating to > Device Preferences > About > System Update .
: Ensure the downloaded file matches your TV model and region exactly to avoid damaging the hardware. USB Preparation Do you have the (e
: 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.
To install the firmware, your USB drive must be correctly prepared: Remove the USB drive and delete the firmware
: Most smart TVs only recognize USB drives formatted to the FAT32 file system.