📌 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
- Clean your screen — Remove dust and fingerprints.
- Set brightness to maximum — In Control Center.
- Open this page on your iPhone — The test works on mobile.
- Tap "Start Full Diagnosis" — The test runs in fullscreen mode.
- 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