Amazon Prime plays 4K but not HDR in Apple TV 2021 Box

Does anyone else have this problem? it didn't initially even play 4K for Prime. But then I updated OS to 14.7 and now it plays 4K but it doesn't recognize or play it in HDR. SO it is 4K SDR. My video setting is set-up for 4K Dolby Vision, with match source content frame. SO HDR should be automatically adjusted. I tried selecting it to be 4K HDR and it just went dark. So some issue only with Prime. Netflix and Disney+ plays Dolby Vision properly on ATV.

Posted on Aug 6, 2021 1:51 AM

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2 replies

abhinesh82 Author

Level 1

9 points

Aug 6, 2021 2:56 AM in response to Urquhart1244

Thanks Mate. So no resolution in sight I see. That's so unfortunate. Prime App always had some issue. In my Sony Prime App, the audio sometimes doesn't pick 5.1. Anyway, will watch HDR on Sony TV app when it detects the audio correctly. Else, 4K SDR on Apple TV+. Thankfully, all other apps (Netflix,Disney+) Dolby vision is getting recognized correctly.

Urquhart1244

Level 10

147,426 points

Aug 6, 2021 2:15 AM in response to abhinesh82

See discussions.apple.com/thread/253018073.

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Amazon Prime plays 4K but not HDR in Apple TV 2021 Box