Always read and save your current chip data before writing a new dump so you can revert if the new file doesn't work.
Plug the USB into the TV and select "USB Upgrade" from the menu. Safety Precautions Download FLASH DUMP Haier LE32C800C rar
You will typically need a CH341A Programmer or similar SPI programmer to write the .bin file directly to the chip. Always read and save your current chip data