In Dark mode, the background image also changes. Apple's default iOS 18 wallpaper dynamically changes from light to dark as ...
For X (Twitter), just go to Settings and Support > Settings and Privacy. Then select Security and account access > Security.
This is the place to go if you want to access all your HDMI settings. In the HDMI menu, you'll also find options to switch inputs or run a TV input test. To access it, press the Home button on your ...