User profile for user: SajanSD
SajanSD Author
User level: Level 1
4 points

Screen Brightness Fades During Dark Scenes in YouTube Videos

I’m experiencing an issue on my iPhone while watching YouTube videos. Whenever a dark or black scene appears, the screen slightly fades, almost like the gamma level increases. This makes the dark scenes look washed out instead of deep black.


I have already tried:


• Turning off Auto-Brightness


• Disabling True Tone and Night Shift


• Checking HDR settings in YouTube


• Adjusting Reduce White Point


• Ensuring my iOS and YouTube app are up to date


Despite these steps, the issue persists. It mostly happens in HDR videos and in YouTube’s dark mode. I suspect it might be related to OLED dimming or auto-contrast adjustments, but I’d love to hear if anyone else has faced this and found a fix.


My device:


• iPhone 14 Pro


• iOS 18.3.1


Any advice would be greatly appreciated. Thanks in advance!

iPhone 14 Pro, iOS 18

Posted on Mar 10, 2025 11:52 AM

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User profile for user: mersormed88
mersormed88
User level: Level 1
36 points

Posted on Mar 10, 2025 11:28 PM

This issue may be related to the "Dim Flashing Lights" feature introduced in iOS 17, which is designed to reduce the intensity of flashing lights in videos but can inadvertently affect dark scenes.


Potential Solution:


  1. Disable "Dim Flashing Lights":
    • Navigate to Settings > Accessibility > Motion.
    • Locate the Dim Flashing Lights option and toggle it off.


Additional Considerations:


  • OLED Display Characteristics: OLED screens, like the one on your iPhone 14 Pro, can exhibit slight brightness variations during dark scenes due to their ability to turn off individual pixels. This is generally normal behavior but should not cause noticeable fading.


  • Content-Specific Issues: If the problem occurs with specific videos, it might be due to how those videos were encoded or processed.


If disabling the "Dim Flashing Lights" feature doesn't resolve the issue, consider reaching out to Apple Support for further assistance.

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User profile for user: mersormed88
mersormed88
User level: Level 1
36 points

Mar 10, 2025 11:28 PM in response to SajanSD

This issue may be related to the "Dim Flashing Lights" feature introduced in iOS 17, which is designed to reduce the intensity of flashing lights in videos but can inadvertently affect dark scenes.


Potential Solution:


  1. Disable "Dim Flashing Lights":
    • Navigate to Settings > Accessibility > Motion.
    • Locate the Dim Flashing Lights option and toggle it off.


Additional Considerations:


  • OLED Display Characteristics: OLED screens, like the one on your iPhone 14 Pro, can exhibit slight brightness variations during dark scenes due to their ability to turn off individual pixels. This is generally normal behavior but should not cause noticeable fading.


  • Content-Specific Issues: If the problem occurs with specific videos, it might be due to how those videos were encoded or processed.


If disabling the "Dim Flashing Lights" feature doesn't resolve the issue, consider reaching out to Apple Support for further assistance.

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Screen Brightness Fades During Dark Scenes in YouTube Videos

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