A:AnswerYou will find HDR under expert settings, it has four states - off, low, medium and high. I use low on mine, if you do high - picture will be jumping out of the screen. Literally.
A:AnswerI've had the same problem. The only way I've been able to fix is to unplug the TV for 30 seconds and then power it back up. Sometimes I also have had to go to settings/system/smart setup to reset the TV. This has fixed the problem temporarily but it seems to keep reoccurring.
A:AnswerI dont hear a voice when I adjust the volume, so there must be a setting to turn it off. I would suggest going to settings, then sounds. Hope this helps