"That hasn't changed, but now you can simply turn PWM off entirely. You just go to Accessibility settings and find the one labeled Display Pulse Smoothing. Here's the description of the feature: Disables pulse width modulation to provide a different way to dim the OLED display, which can create a smoother display output at low brightness levels. Disabling PWM may affect low brightness display performance under certain conditions."
"On the Android side, most companies that aren't Samsung and Google have tried to mitigate the issue by offering extremely high PWM rates, which seem to not affect as many people. And now we're left wondering why we can't just have both of these in the same device - have a very high PWM rate, but also make it so the user can turn it off entirely if even that is causing issues. Maybe in the future, here's hoping."
Apple unveiled the iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, and iPhone Air with multiple new features and specs. The devices use pulse width modulation (PWM) for OLED screen dimming, a technique that rapidly turns the display off and on. Low-rate PWM can cause eye strain, headaches, and other symptoms in sensitive people. Apple added an Accessibility setting called Display Pulse Smoothing that disables PWM to provide a different way to dim the OLED display and produce smoother output at low brightness. The setting cautions that disabling PWM may affect low brightness display performance under certain conditions. Some Android manufacturers mitigate PWM issues by using very high PWM rates.
Read at GSMArena.com
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