Following the release of the iPhone 15 Pro Max, reports of ghost images and keyboard outlines raised concerns among Apple users regarding OLED screen burn-in. Technical investigations subsequently revealed a critical distinction between iOS software image retention bugs and true hardware OLED degradation. Here is what iPhone users need to know about Always-On Display (AOD), iOS protections, and fixing screen retention.

The iPhone 15 Pro Launch Cases: Software Bug vs. Hardware Burn-In

When the iPhone 15 Pro and 15 Pro Max launched with iOS 17.0, a significant number of users reported persistent ghost images of virtual keyboards, navigation apps, and home screen widgets after just 1–2 weeks of normal use.

Apple diagnosed the root cause as a display driver software bug in iOS 17.0 that prevented the OLED display management algorithm from clearing charge retention across sub-pixels. Apple issued a permanent fix in iOS 17.1, which resolved the ghosting issue without requiring hardware screen replacements. This demonstrated that most early cases were Temporary Image Retention (TIR) rather than permanent physical burn-in.

iPhone Always-On Display (AOD) & OLED Protections in iOS

iPhone 14 Pro, 15 Pro, 16 Pro, and 17 Pro models utilize LTPO (Low-Temperature Polycrystalline Oxide) Super Retina XDR OLED displays capable of dropping refresh rates to 1Hz during Always-On Display mode.

iOS incorporates built-in anti-burn-in features:

  • Sub-Pixel Shifting: iOS subtly shifts the lock screen clock, widgets, and status bar icons by several micro-pixels periodically to equalize sub-pixel wear.
  • AOD Dimming Algorithms: In dark environments or when placed face down / in pockets, AOD automatically shuts off to prevent unnecessary thermal load.

Recommended iOS Settings to Prevent iPhone Screen Retention

  1. Disable Wallpaper in Always-On Display: Go to Settings > Display & Brightness > Always On Display and toggle off Show Wallpaper. Displaying only the clock on a pure black background turns off over 80% of OLED sub-pixels.
  2. Enable Auto-Brightness: Ensure Auto-Brightness is enabled under Settings > Accessibility > Display & Text Size to prevent manual maximum brightness operation.
  3. Set Auto-Lock to 30 Seconds or 1 Minute: Minimizes static lock screen exposure.
  4. Keep iOS Updated: Always update to the latest iOS release to ensure display driver algorithms operate with optimal pixel refreshment.

How to Clear Ghost Images on iPhone

If your iPhone screen displays faint keyboard or icon retention, open our free Online Screen Burn-In Fix Tool in Safari.

Run the dynamic color flasher at 80% brightness for 30–60 minutes. The rapid RGB spectrum cycling exercises liquid crystal/sub-pixel nodes and clears temporary charge retention. If ghosting persists after multiple 1-hour sessions, consult Apple Support or an Apple Authorized Service Provider for diagnostic hardware inspection under warranty.