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📌 Quick Summary: Our free iPhone screen test checks your display for dead pixels, burn-in, ghosting, and uniformity issues. Works on iPhone 15, 14, 13, 12, and SE — runs in Safari or Chrome in under 60 seconds.

iPhone Screen Test — Free & Online

iPhone screens are some of the best in the industry, but they can still develop issues over time. Our iPhone screen test helps you identify dead pixels, burn-in, and other defects quickly and easily.

What Our iPhone Screen Test Checks

  • Dead pixels — Permanently black dots that never light up
  • Stuck pixels — Pixels stuck on one color
  • Burn-in — Permanent ghost images (OLED)
  • Uniformity — Uneven brightness or color
  • Ghosting — Motion blur and trailing

How to Test Your iPhone Screen

  1. Clean your screen — Remove dust and fingerprints.
  2. Set brightness to maximum — In Control Center.
  3. Open this page on your iPhone — The test works on mobile.
  4. Tap "Start Full Diagnosis" — The test runs in fullscreen mode.
  5. Inspect each color — White, black, red, green, and blue.

Which iPhone Models Can Be Tested?

  • iPhone 15 — 15, 15 Plus, 15 Pro, 15 Pro Max
  • iPhone 14 — 14, 14 Plus, 14 Pro, 14 Pro Max
  • iPhone 13 — 13, 13 Mini, 13 Pro, 13 Pro Max
  • iPhone 12 — 12, 12 Mini, 12 Pro, 12 Pro Max
  • iPhone SE — SE (2nd and 3rd generation)
  • iPhone 11 — 11, 11 Pro, 11 Pro Max

Why Test Your iPhone Screen?

  • Expensive to replace — iPhone screens are costly to repair
  • Warranty limits — Apple won't replace for 1-2 dead pixels
  • Document defects — Take screenshots for AppleCare claims
  • Buying used — Test a used iPhone before purchase

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