The fastest way to test your display is through the hidden hardware menu used by service technicians. Beebom Gadgets How to Access: , go to the , and dial If this doesn't work, you may need to disable Auto Blocker in your phone's "Security and privacy" settings. Key Screen Tests: Red, Green, Blue:
Useful for diagnostics, rarely effective for actual repairs. galaxy diagnostics screen tool fixer
If your computer recognizes the device even while the screen is frozen, you can use the . The fastest way to test your display is