: Press and hold the Power Button on the TV (not the remote) for 5 to 7 seconds until the front LED begins to blink.
: 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 . : Press and hold the Power Button on
: 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. if the TV is still functional