Quick mode on LG TV allows you to rapidly switch between different input sources or channels. This feature provides a seamless and efficient viewing experience by reducing the time it takes to switch between content. By activating quick mode, you can easily navigate through your favorite shows, movies, and apps without any delays. This feature is especially useful when you want to quickly change channels or switch between gaming consoles or streaming devices. With quick mode, you can enjoy a smooth and uninterrupted viewing experience on your LG TV.