Find dead pixels and sub-pixels on your display – LCD- and AMOLED-ready
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.
Download apk file for your android phone: https://goo.gl/Cf3hvi
Android Tools Apps 