: 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.
: 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
To install the firmware, your USB drive must be correctly prepared: : Always use the "Eject" option on your