How to reset LG 2025 (and older) TVs to factory default?

Описание: How to reset LG TV to factory defaults, demonstrated on LG OLED55C5. The same procedure applies to other LG TVs from LG’s lineup.

Note that you will need to know the 4-digit password in order to reset the TV. It is set during the initial setup and you can change it in the Safety menu (parental controls).