As you can brick a TV with that not one single TV tech I know will answer how to use service menus. Just call it in as a warranty issue. I'd play dumb about any foray into a service menu.
How can i undo the country change in my smart LG TV. model 42LM620S-ZE.
after i switched it to another country by mistake, it showsa NOT PROGRAMMED icon in the display/
Please help..

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