A very quick Google search throws up a possible answer. You don't offer the model number but if it's an LG smart TV, this might be relevant:
https://smarthomestarter.com/why-do-i-have-to-keep-retuning-my-lg-smart-tv/
Turns out that LG smart TVs aren't actually that smart.
Djdj
November 2023
howtomendit.com for free repair help, information and advice.
