For X (Twitter), just go to Settings and Support > Settings and Privacy. Then select Security and account access > Security.

If your TV picture still isn't as sharp as it should be, even with HDR turned on, one of two HDMI settings might be to blame.

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 ...