Usar o APKPure APP
Obter o APK da versão antiga de LCD & AMOLED-Test para Android
Encontre pixels mortos e sub-pixels em sua tela - LCD-e-pronto AMOLED
Find dead pixels and sub-pixels on your display.
To switch between colors swipe the screen or touch the screen longer to adjust the brightness.
LCD-Test Pro can try to fix the persistence of dead pixels. You'll find it in the market, too.