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yesterday

iPhone 17 Pro Gains PWM-Off Accessibility Toggle in iOS 26 Release Candidate

The pre-release setting aims to reduce perceived OLED flicker for sensitive users, with availability on non‑Pro models not yet verified.

An orange Apple iPhone 17 Pro Max with its default neon wallpaper
Image

Overview

  • MacRumors discovered the option in the iOS 26 release candidate on iPhone 17 Pro models.
  • The toggle appears under Accessibility > Display & Text Size and lets users disable pulse width modulation.
  • Apple’s on-device description says disabling PWM uses a different dimming method that can produce smoother output at low brightness.
  • The description also cautions that low-brightness display performance may be affected under certain conditions.
  • Reporters have verified the toggle only on iPhone 17 Pro so far, and Apple has not provided an official comment on broader model support.