Firmware is specific to the Main Board and Panel Number of your TV. Installing the wrong version can "brick" the device or cause an inverted/distorted picture. If you'd like, I can help you verify your version if you provide the serial number or panel model from the sticker on the back of the TV.
Once the progress bar reaches 100%, the TV will reboot automatically. It is highly recommended to perform a ( Menu > Settings > Storage & Reset ) after a firmware update to ensure system stability. Download Haier LE55M600 Firmware USB rar
While holding the button, plug the TV back into the power outlet. Firmware is specific to the Main Board and
: Use a drive with 8GB or less capacity, formatted to FAT32 . formatted to FAT32 .