Your iPhone Secretly Dims Everything Else So HDR Videos Can Glow

Scobleizer · x · 2026-11-01

aakashgupta explains why certain videos "pop" on your phone: when the clip comes into view, the phone cranks the real panel brightness past what the brightness slider shows while quietly dimming every other pixel in the app by the same amount—so tweets and profile pics look normal while the video gets all the extra light. Scobleizer shared it as "the story behind videos that pop."

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