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Introduction
For years, iPhone users sensitive to screen flickering have suffered from a hidden issue caused by Pulse Width Modulation (PWM). While most people never notice it, a significant group of users experience headaches, eye strain, and discomfort when using OLED screens at lower brightness levels. Now, with the upcoming iPhone 17, Apple seems ready to address this long-standing problem once and for all.
the Issue and iPhone 17’s Fix
Pulse Width Modulation (PWM) is a method used by smartphones to control brightness. Instead of dimming pixels directly, the display keeps all pixels at full brightness but rapidly turns them on and off. This flickering is usually invisible to the average user, but for PWM-sensitive individuals, it can cause serious health concerns.
The issue has gained attention through the “PWM Sensitive” subreddit, which attracts around 16,000 weekly visitors, proving how widespread the problem is.
Many users have reported eye fatigue, migraines, and dizziness after long sessions on OLED iPhones.
Apple has quietly relied on PWM for years, but now, a solution appears to be coming with the iPhone 17 series.
As discovered by Aaron Perris and later confirmed by MacRumors, Apple will add a new settings toggle allowing users to reduce or even disable PWM flickering.
The feature will roll out across the entire iPhone 17 lineup, marking the first time Apple officially addresses this complaint.
While Apple has not explained why the fix is limited to iPhone 17, experts suggest it may be tied to the new A19 and A19 Pro chips that enable more advanced display controls.
For those affected, this could be the most meaningful upgrade in years, making the iPhone 17 not just faster, but healthier for everyday use.
Beyond PWM, Apple continues to promote accessories like AirPods Pro 2, MagSafe car mounts, smart plugs, and charging solutions as part of its broader ecosystem.
What Undercode Say:
From a technological perspective, Apple’s move is both strategic and overdue. Here’s why this change is critical:
Health First: In recent years, awareness of digital eye strain has grown. By tackling PWM flickering, Apple directly responds to a health-related demand, not just a performance demand.
Market Differentiation: Competing smartphone brands like Samsung and OnePlus have also been criticized for PWM flicker. Apple stepping up could give them a unique selling point for sensitive users.
Chip Power: The likely reason this feature is limited to iPhone 17 is due to hardware-level optimizations. The new A19 chips may allow Apple to implement alternative dimming methods without compromising battery life or display quality.
Consumer Psychology: Many buyers upgrade iPhones for camera quality or speed. However, solving PWM introduces a new emotional driver: comfort. People are more willing to spend when their health is at stake.
Community Validation: The fact that Apple listened to the PWM Sensitive subreddit shows a shift in how the company values niche communities. It proves that grassroots voices can influence corporate decisions.
Potential Risks: Apple must ensure the toggle doesn’t compromise color accuracy or brightness control, since professionals rely on Apple displays for design and video work.
Accessory Sales Boost: By bundling health-conscious improvements with ecosystem accessories, Apple maximizes average revenue per user. A comfortable screen may keep users on iPhone longer, increasing long-term loyalty.
Future Vision: This could also hint at Apple’s broader AR and Vision Pro strategy. If flicker-free displays become the norm, Apple sets the stage for extended reality usage without eye strain.
Competitor Pressure: Once Apple normalizes PWM-free dimming, rival brands may have to follow quickly, sparking a new era of health-driven display technology.
isn’t just a small settings toggle—it’s a game-changer that could reshape user comfort, upgrade motivations, and even influence global display standards.
Fact Checker Results ✅❌
✅ PWM flickering has been confirmed to cause eye strain in sensitive users.
✅ iPhone 17 will introduce a new settings toggle to manage PWM.
❌ Apple has not officially confirmed older iPhones will get this feature.
Prediction 🔮
The iPhone 17 will likely be remembered not only as a performance upgrade but also as the “health-conscious iPhone.” Expect Apple to market this setting heavily, pushing comfort and wellness as core reasons to upgrade. Within two years, PWM-free or reduced-flicker screens may become the industry standard, with Apple leading the charge.
🕵️📝✔️Let’s dive deep and fact‑check.
References:
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