Release the button once the "Upgrading" or "Software Updating" notification appears on the screen.
: This file is typically used for a manual USB update to fix "boot stuck" issues or to upgrade the Android version of the TV. How to Use the Firmware Download S68AT02 LF1V198 part05 rar
While holding the button, plug the TV back into the power outlet. Release the button once the "Upgrading" or "Software