Use this method if the TV boots up but is behaving sluggishly or you need to clear the internal cache. Power on the TV. Press the or Input button on your remote. Type the code 2083 or 2580 . The "Factory Menu" or "Design Menu" will appear. Navigate down to Init or Shipping Mode . Press OK to confirm.
Locate a small hole (often labeled "Reset" or hidden inside the Tp.mt5522.pc821 Hard Reset