: Do not turn off the power during this process, as it can permanently damage the mainboard. 4. Post-Installation Reset
Keep holding the button until the indicator light begins to flash or the update progress bar appears on the screen.
Once the update is finished and the TV restarts, it is recommended to perform a to clear any old configuration data:
The TV should detect the file; select and wait for the process to complete (roughly 3–5 minutes). Method B: Hard Flash (If TV is stuck on logo or "No Power") Unplug the TV from the power source. Insert the USB drive into the TV.

