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Original topic:

S23 Ultra: HDR Broken

(Topic created on: 09-22-2023 03:19 PM)
Active Level 3
Galaxy S

Dear Samsung Team,

While using Netflix, Disney+, Amazon Prime to stream HDR content or using local video player(using Mx Player Pro or VLC) to watch HDR content, it has low brightness and dull looking.

1. Video brightness option in advanced settings is on
2. Brightness on phone, Netflix and video player app is set to max after disabling auto brightness.
3. Subscription plan in Netflix is the HDR 4K supporting one.
4. All filters or color enhancement or eye comfort shield are off.
5. Already tried factory reset, safe mode and developer option disable.

SDR content looks perfectly fine somewhat way way brighter and colorful whether its on Netflix, Disney+, Amazon Prime or video player such a MX Player Pro, VLC and many more.

Note: I have compared my phone to another S23 Ultra and it has the same issue as mine.
Also compared to a Note 10+ and had no issues playing HDR on Netflix and video player correctly.

This could be an international unlocked variant issue only. Samsung's team must be able to replicate this problem. This particular issue has been pointed out many times by many people on reddit and Samsung Community pages as well.

Additional Info:

1. When watching HDR content on streaming apps or downloaded HDR content using Mx Player Pro or VLC, for example:
On a scale of 1 to 15, the brightness looks to be cap at around 5. Above 5 the screen flickers but doesn't get any bright. If you go below 5 you start seeing the screen to dim.

2. After looking at many reddit posts and Samsung Community pages, this problem was pointed out by many people: I have discovered that when watching HDR content if you shine a flash light onto the front camera the device gets bright as its supposed to be in HDR even though adaptive/auto brightness is off. Then eventually dims back.

So it could be that it's a problem with adaptive/auto brightness messing up with HDR preventing it from reaching max brightness.

Note: Not to test this issue with YouTube because YouTube app doesn't control the device brightness as compared to any video player or streaming apps. So YouTube is brighter, but even in YouTube when watching HDR Content, the flash light trick works proving further about this adaptive brightness problem in HDR content then again dims back.

Hopefully it gets fixed soon in future firmware updates.
Thank you.