I changed these 6 TV settings to drastically speed up the performance
Briefly

Restarting your smart TV is often the simplest solution to lag and performance issues. By accessing the settings menu and choosing the Restart option, you can close background apps and free up resources.
Clearing your smart TV's cache is essential, as it stores temporary data that can slow down performance. Navigating to the settings to clear cache can significantly enhance the functionality of your TV.
Read at ZDNET
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