HomeAppsToolsDisplay TesterApps like Display Tester Here are some great alternatives to Display Tester by Brain_trapp : Screen Test ★4.4 Screen Test Pro ★4.4 Screen Test ★3.3 LCD Dead Pixel Test And Fix ★3.8 Dead Pixels Test and Fix ★3.9 Touch Screen Test ★4.5 Screen Check: Dead Pixels Test ★4.3 Screen Helper Lite ★5.0 Touch Screen Test + ★4.0 Backlight Bleed Test ★4.4 Dead/Defective Pixel Test& Fix ★3.7 Display Info ★4.8 Screen Test ★4.0 Touchscreen Calibration, Test ★3.9 Display Calibration ★4.3 LCD Screen Dead Pixel Fix ★4.2