Used Device Screen Inspection

A used device can look fine on a normal home screen while still having dead pixels, burn-in, touch dead zones, or panel-uniformity problems. PixelExams provides a structured browser-based check you can run before buying or during a return period.

Inspect the display with black, white, red, green, blue, and gray fields. On phones and tablets, also test the touchscreen across the entire surface. Check at more than one brightness level and look closely at the edges and corners, where defects are easy to miss during ordinary use.

PixelExams does not certify a device or determine whether a seller, retailer, or manufacturer must accept a return. It records what you observe so you can make a more informed inspection and consult the applicable policy.

PixelExams is a guided visual inspection utility. It does not automatically diagnose hardware defects, calibrate a display, or determine warranty eligibility.