Galaxy Diagnostics Screen Tool Fixer =link= May 2026

You will see a grid of squares. Drag your finger across all of them; if they turn blue, your digitizer is healthy. Any white spots indicate a dead zone.

Open the app (download it from the Galaxy Store if you don't have it). Tap the Support tab at the bottom right. Select Phone Diagnostics . Key Screen Tests: galaxy diagnostics screen tool fixer

For a deeper, "bare-metal" look at your screen's health without the overhead of an app, you can use secret diagnostic codes. How to use Samsung Members Diagnostics You will see a grid of squares