Android AMOLED & 120Hz Diagnostic

Test Android Screen Online

Inspect your Samsung Galaxy, Google Pixel, Xiaomi, or OnePlus screen for dead pixels, AMOLED green lines, camera hole-punch flaws, and touch uniformity.

How to Test Android Screens in Chrome

  1. Clean the display with a microfiber cloth.
  2. Tap Start Android Fullscreen Test to open the full AMOLED color engine.
  3. Tap anywhere on the screen or swipe left/right to cycle through White, Black, Red, Green, Blue, and Yellow screens.
  4. Inspect around the punch-hole selfie camera, curved edges, and navigation bar area.